diff --git a/source/compiler/sc1.c b/source/compiler/sc1.c
index 32e235a..af58381 100644
--- a/source/compiler/sc1.c
+++ b/source/compiler/sc1.c
@@ -844,6 +844,7 @@ static void resetglobals(void)
   sc_curstates=0;
   pc_memflags=0;
   pc_naked=FALSE;
+  pc_compat=FALSE;
 }
 
 static void initglobals(void)