diff --git a/include/bl_common.h b/include/bl_common.h
index 995b5e6..7912ab6 100644
--- a/include/bl_common.h
+++ b/include/bl_common.h
@@ -69,7 +69,7 @@
  * The following  compilation error is triggered if the assertion fails:
  * "error: size of array 'msg' is negative"
  ******************************************************************************/
-#define CASSERT(cond, msg)	typedef char msg[(cond) ? 0 : -1]
+#define CASSERT(cond, msg)	typedef char msg[(cond) ? 1 : -1]
 
 /******************************************************************************
  * Opcode passed in x0 to tell next EL that we want to run an image.