Index: libcfa/src/bits/containers.hfa
===================================================================
--- libcfa/src/bits/containers.hfa	(revision 7f389a5cebf89e197d496b8721d40a9431238077)
+++ libcfa/src/bits/containers.hfa	(revision 793063833fbbe0b2e67a84a514b08d12dd6f84c6)
@@ -194,5 +194,5 @@
 
 		int ?!=?( const __queue(T) & this, __attribute__((unused)) zero_t zero ) {
-			return this.head != 0;
+			return this.head != 1p;
 		}
 	}