diff --git a/lang/cem/cemcom.ansi/label.c b/lang/cem/cemcom.ansi/label.c
index 323f18582..242ccaebc 100644
--- a/lang/cem/cemcom.ansi/label.c
+++ b/lang/cem/cemcom.ansi/label.c
@@ -12,6 +12,7 @@
 #include	"arith.h"
 #include	"def.h"
 #include	"type.h"
+#include	"stack.h"
 
 extern char options[];