diff --git a/source/pr_exec.c b/source/pr_exec.c
index 76f4675..ef24b0c 100644
--- a/source/pr_exec.c
+++ b/source/pr_exec.c
@@ -384,7 +384,7 @@ void PR_ExecuteProgram (func_t fnum)
 
 	f = &pr_functions[fnum];
 
-	runaway = 200000;
+	runaway = 400000;
 	pr_trace = false;
 
 // make a stack frame