diff --git a/src/cc65/typecmp.h b/src/cc65/typecmp.h
index 98aebf098..6ccaa3371 100644
--- a/src/cc65/typecmp.h
+++ b/src/cc65/typecmp.h
@@ -51,9 +51,9 @@
 /* Degree of type compatibility. Must be in ascending order */
 typedef enum {
     TC_INCOMPATIBLE,		  /* Distinct types */
-    TC_QUAL_DIFF,		  /* Types differ in qualifier of pointer */
     TC_SIGN_DIFF,		  /* Signedness differs */
     TC_COMPATIBLE = TC_SIGN_DIFF, /* Compatible types */
+    TC_QUAL_DIFF,		  /* Types differ in qualifier of pointer */
     TC_STRICT_COMPATIBLE,      	  /* Strict compatibility */
     TC_EQUAL,			  /* Types are equal */
     TC_IDENTICAL		  /* Types are identical */