diff --git a/engine/qclib/pr_exec.c b/engine/qclib/pr_exec.c
index ee1cb21a8..8e43313fe 100644
--- a/engine/qclib/pr_exec.c
+++ b/engine/qclib/pr_exec.c
@@ -92,7 +92,6 @@
 
 //=============================================================================
 
-char *PR_SaveCallStack (progfuncs_t *progfuncs, char *buf, int *bufofs, int bufmax);
 /*
 =================
 PR_PrintStatement
@@ -1604,7 +1603,7 @@ static casecmprange_t casecmprange[] =
 static int PR_NoDebugVM(progfuncs_t *fte_restrict progfuncs)
 {
 	char stack[4*1024];
-	int ofs;
+	size_t ofs;
 	strcpy(stack, "This platform does not support QC debugging\nStack Trace:");
 	ofs = strlen(stack);
 	PR_SaveCallStack (progfuncs, stack, &ofs, sizeof(stack));
diff --git a/engine/qclib/progsint.h b/engine/qclib/progsint.h
index fa8dc0b1b..4eff5fd97 100644
--- a/engine/qclib/progsint.h
+++ b/engine/qclib/progsint.h
@@ -467,7 +467,7 @@ void PDECL PR_GenerateStatementString (pubprogfuncs_t *progfuncs, int statementn
 fdef_t *PDECL ED_FieldInfo (pubprogfuncs_t *progfuncs, unsigned int *count);
 char *PDECL PR_UglyValueString (pubprogfuncs_t *progfuncs, etype_t type, eval_t *val);
 pbool	PDECL ED_ParseEval (pubprogfuncs_t *progfuncs, eval_t *eval, int type, const char *s);
-
+char *PR_SaveCallStack (progfuncs_t *progfuncs, char *buf, size_t *bufofs, size_t bufmax);
 
 prclocks_t Sys_GetClockRate(void);
 #endif