diff --git a/app.py b/app.py
index ca74a71..a77ebe7 100644
--- a/app.py
+++ b/app.py
@@ -1,4 +1,6 @@
 def f():
-    f()
+    return g()
+def g():
+    return f
 
-f()
\ No newline at end of file
+f()()
\ No newline at end of file
diff --git a/src/err.c b/src/err.c
index a98c456..92b292c 100644
--- a/src/err.c
+++ b/src/err.c
@@ -14,6 +14,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <inttypes.h>
 
 #ifdef _WIN32
 ssize_t getline(char **lineptr, size_t *n, FILE *stream) {
@@ -111,11 +112,11 @@ void output_err(ArErr err) {
     dyefg(stderr, DYE_GRAY);
     fprintf(stderr, ":");
     dyefg(stderr, DYE_YELLOW);
-    fprintf(stderr, "%lld", err.line);
+    fprintf(stderr, "%" PRIu64 , err.line);
     dyefg(stderr, DYE_GRAY);
     fprintf(stderr, ":");
     dyefg(stderr, DYE_YELLOW);
-    fprintf(stderr, "%lld", err.column);
+    fprintf(stderr, "%" PRIu64, err.column);
     dye_style(stderr, DYE_STYLE_RESET);
     dyefg(stderr, DYE_RESET);
     fprintf(stderr, "\n");
@@ -123,7 +124,7 @@ void output_err(ArErr err) {
     if (file) {
       dye_style(stderr, DYE_STYLE_RESET);
       dyefg(stderr, DYE_RESET);
-      int line_number_width = snprintf(NULL, 0, "%lld", err.line);
+      int line_number_width = snprintf(NULL, 0, "%" PRIu64, err.line);
       char *buffer = NULL;
       size_t size = 0;
       int current_line = 1;
@@ -154,7 +155,7 @@ void output_err(ArErr err) {
         err.column--;
         skipped_chars++;
       }
-      fprintf(stderr, " %lld | ", err.line);
+      fprintf(stderr, " %" PRIu64 " | ", err.line);
       if (err.length) {
         fprintf(stderr, "%.*s", (int)err.column - 1, line_starts);
         dyefg(stderr, DYE_RED);
diff --git a/src/runtime/call/call.c b/src/runtime/call/call.c
index e35aae7..5c471fa 100644
--- a/src/runtime/call/call.c
+++ b/src/runtime/call/call.c
@@ -7,6 +7,7 @@
 #include "call.h"
 #include "../../hash_data/hash_data.h"
 #include "../objects/string/string.h"
+#include <inttypes.h>
 #include <math.h>
 #include <stdbool.h>
 #include <stdio.h>
@@ -73,9 +74,9 @@ void run_call(Translated *translated, RuntimeState *state) {
   ArgonObject *object = state->registers[from_register];
   if (object->type == TYPE_FUNCTION) {
     Stack *scope = create_scope(object->value.argon_fn.stack);
-    for (size_t i = 0; i < state->call_args_length; i++) {
+    for (size_t i = 0; i < *state->call_args_length; i++) {
       struct string_struct key = object->value.argon_fn.parameters[i];
-      ArgonObject *value = state->call_args[i];
+      ArgonObject *value = (*state->call_args)[i];
       uint64_t hash = siphash64_bytes(key.data, key.length, siphash_key);
       hashmap_insert_GC(scope->scope, hash,
                         new_string_object(key.data, key.length), value, 0);
@@ -94,6 +95,12 @@ void run_call(Translated *translated, RuntimeState *state) {
         *state->currentStackFramePointer,
         no_err,
         (*state->currentStackFramePointer)->depth + 1};
+    if (((*state->currentStackFramePointer)->depth+1) % STACKFRAME_CHUNKS == 0) {
+      *state->currentStackFramePointer = checked_malloc(sizeof(StackFrame) * STACKFRAME_CHUNKS);
+    } else {
+      *state->currentStackFramePointer = *state->currentStackFramePointer + 1;
+    }
+      **state->currentStackFramePointer = new_stackFrame;
     if ((*state->currentStackFramePointer)->depth >= 10000) {
       double logval = log10((double)(*state->currentStackFramePointer)->depth);
       if (floor(logval) == logval) {
@@ -101,7 +108,8 @@ void run_call(Translated *translated, RuntimeState *state) {
             darray_get(&translated->source_locations, source_location_index);
         double memoryUsage = get_memory_usage_mb();
         fprintf(stderr,
-                "Warning: %s:%llu:%llu the call stack depth has exceeded %llu",
+                "Warning: %s:%" PRIu64 ":%" PRIu64
+                " the call stack depth has exceeded %" PRIu64,
                 state->path, source_location->line, source_location->column,
                 (*state->currentStackFramePointer)->depth);
         if (memoryUsage) {
@@ -112,7 +120,5 @@ void run_call(Translated *translated, RuntimeState *state) {
         }
       }
     };
-    *state->currentStackFramePointer = checked_malloc(sizeof(StackFrame));
-    **state->currentStackFramePointer = new_stackFrame;
   }
 }
\ No newline at end of file
diff --git a/src/runtime/runtime.c b/src/runtime/runtime.c
index 9b310c4..38623e8 100644
--- a/src/runtime/runtime.c
+++ b/src/runtime/runtime.c
@@ -8,8 +8,8 @@
 #include "../err.h"
 #include "../hash_data/hash_data.h"
 #include "../translator/translator.h"
-#include "declaration/declaration.h"
 #include "call/call.h"
+#include "declaration/declaration.h"
 #include "internals/hashmap/hashmap.h"
 #include "objects/functions/functions.h"
 #include "objects/literals/literals.h"
@@ -202,15 +202,15 @@ ArErr run_instruction(Translated *translated, RuntimeState *state,
     break;
   case OP_INIT_ARGS:;
     size_t size = pop_bytecode(translated, state) * sizeof(ArgonObject *);
-    if (state->call_args) {
-      state->call_args = realloc(state->call_args, size);
+    if (*state->call_args) {
+      *state->call_args = realloc(*state->call_args, size);
     } else {
-      state->call_args = checked_malloc(size);
+      *state->call_args = checked_malloc(size);
     }
     break;
   case OP_INSERT_ARG:;
     to_register = pop_byte(translated, state);
-    state->call_args[pop_bytecode(translated, state)] =
+    (*state->call_args)[pop_bytecode(translated, state)] =
         state->registers[to_register];
     break;
   case OP_CALL:
@@ -249,14 +249,12 @@ RuntimeState init_runtime_state(Translated translated, char *path) {
       path,
       NULL,
       NULL,
-      0};
+      NULL};
   return runtime;
 }
 
 void free_runtime_state(RuntimeState runtime_state) {
   free(runtime_state.registers);
-  if (runtime_state.call_args)
-    free(runtime_state.call_args);
 }
 
 Stack *create_scope(Stack *prev) {
@@ -269,8 +267,15 @@ Stack *create_scope(Stack *prev) {
 ArErr runtime(Translated translated, RuntimeState state, Stack *stack) {
   state.head = 0;
 
-  StackFrame *currentStackFrame = checked_malloc(sizeof(StackFrame));
-  *currentStackFrame = (StackFrame){translated, state, stack, NULL, no_err};
+  ArgonObject **call_args = NULL;
+  size_t call_args_length = 0;
+
+  state.call_args = &call_args;
+  state.call_args_length = &call_args_length;
+
+  StackFrame *currentStackFrame =
+      checked_malloc(sizeof(StackFrame) * STACKFRAME_CHUNKS);
+  *currentStackFrame = (StackFrame){translated, state, stack, NULL, no_err, 0};
   currentStackFrame->state.currentStackFramePointer = &currentStackFrame;
   ArErr err = no_err;
   while (currentStackFrame) {
@@ -284,8 +289,18 @@ ArErr runtime(Translated translated, RuntimeState state, Stack *stack) {
     StackFrame *tempStackFrame = currentStackFrame;
     err = currentStackFrame->err;
     currentStackFrame = currentStackFrame->previousStackFrame;
-    free(tempStackFrame);
+    if (tempStackFrame->depth % STACKFRAME_CHUNKS == 0) {
+      free(tempStackFrame);
+    }
   }
 
+  if (call_args)
+    free(call_args);
+  call_args = NULL;
+  call_args_length = 0;
+
+  state.call_args = NULL;
+  state.call_args_length = NULL;
+
   return err;
 }
\ No newline at end of file
diff --git a/src/runtime/runtime.h b/src/runtime/runtime.h
index 5d9e626..e2bcaf9 100644
--- a/src/runtime/runtime.h
+++ b/src/runtime/runtime.h
@@ -19,8 +19,8 @@ typedef struct RuntimeState {
   size_t head;
   char *path;
   StackFrame **currentStackFramePointer;
-  ArgonObject** call_args;
-  size_t call_args_length;
+  ArgonObject*** call_args;
+  size_t* call_args_length;
 } RuntimeState;
 
 typedef struct StackFrame {
@@ -32,6 +32,8 @@ typedef struct StackFrame {
   uint64_t depth;
 } StackFrame;
 
+#define STACKFRAME_CHUNKS 64
+
 void bootstrap_types();
 
 extern struct hashmap *runtime_hash_table;
diff --git a/testing.ar b/testing.ar
index 93c6d33..c76956b 100644
--- a/testing.ar
+++ b/testing.ar
@@ -1,7 +1,5 @@
 # SPDX-FileCopyrightText: 2025 William Bell
 
 # SPDX-License-Identifier: GPL-3.0-or-later
-let f()=g()
-let g()=h()
-let h()=f()
-f()
\ No newline at end of file
+let f()=f()
+f()