Index: uspace/lib/pcut/include/pcut/asserts.h
===================================================================
--- uspace/lib/pcut/include/pcut/asserts.h	(revision b1834a01038fc2eeb50637bb5cb48a741a03b9fb)
+++ uspace/lib/pcut/include/pcut/asserts.h	(revision 78fd6ef3950e019246df5fcf81cf827e5434fdda)
@@ -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, " \