diff --git a/src/scripting/zscript/zcc-parse.lemon b/src/scripting/zscript/zcc-parse.lemon
index cd630298b5..34ebd9149e 100644
--- a/src/scripting/zscript/zcc-parse.lemon
+++ b/src/scripting/zscript/zcc-parse.lemon
@@ -34,6 +34,7 @@
 */
 
 
+%stack_size 0
 
 %include
 {