diff --git a/engine/qclib/initlib.c b/engine/qclib/initlib.c
index 70e95f70b..cd790c9b0 100644
--- a/engine/qclib/initlib.c
+++ b/engine/qclib/initlib.c
@@ -385,7 +385,9 @@ progfuncs_t deffuncs = {
 
 	PR_ForkStack,
 	PR_ResumeThread,
-	PR_AbortStack
+	PR_AbortStack,
+
+	0
 };
 #undef printf