diff --git a/code/qcommon/vm_x86.c b/code/qcommon/vm_x86.c
index 8053b184..aa63d048 100644
--- a/code/qcommon/vm_x86.c
+++ b/code/qcommon/vm_x86.c
@@ -1714,7 +1714,7 @@ This function is called directly by the generated code
 
 int VM_CallCompiled(vm_t *vm, int *args)
 {
-	byte	stack[OPSTACK_SIZE * 4 + 15];
+	byte	stack[OPSTACK_SIZE + 15];
 	void	*entryPoint;
 	int		programCounter;
 	int		programStack, stackOnEntry;
diff --git a/code/qcommon/vm_x86_64.c b/code/qcommon/vm_x86_64.c
index 9659265e..27d946f8 100644
--- a/code/qcommon/vm_x86_64.c
+++ b/code/qcommon/vm_x86_64.c
@@ -1016,7 +1016,7 @@ static char* memData;
 
 int VM_CallCompiled(vm_t *vm, int *args)
 {
-	int stack[OPSTACK_SIZE + 3];
+	int stack[OPSTACK_SIZE + 15];
 	int		programCounter;
 	int		programStack;
 	int		stackOnEntry;
@@ -1063,7 +1063,7 @@ int VM_CallCompiled(vm_t *vm, int *args)
 
 	// off we go into generated code...
 	entryPoint = getentrypoint(vm);
-	opStack = PADP(stack, 4);
+	opStack = PADP(stack, 16);
 
 	*opStack = 0xDEADBEEF;
 	opStackRet = 0;