Index: uspace/lib/pcut/include/pcut/asserts.h
===================================================================
--- uspace/lib/pcut/include/pcut/asserts.h	(revision b7fd2a02e4161f4edd38548e7f8456b8021549be)
+++ uspace/lib/pcut/include/pcut/asserts.h	(revision 954c0240b720c64358bccbdcdcb035fdd5a6f347)
@@ -148,5 +148,5 @@
 #define PCUT_ASSERT_NULL(pointer) \
 	do { \
-		void *pcut_ptr_eval = (pointer); \
+		const void *pcut_ptr_eval = (pointer); \
 		if (pcut_ptr_eval != (NULL)) { \
 			PCUT_ASSERTION_FAILED("Expected <" #pointer "> to be NULL, " \