Index: uspace/lib/c/test/stdio/scanf.c
===================================================================
--- uspace/lib/c/test/stdio/scanf.c	(revision f4aa1c8e3a4239bb0582d838aa5941f52b7bd3ca)
+++ uspace/lib/c/test/stdio/scanf.c	(revision 79b39d0f518bc76134b003d5e89ba0192fd33391)
@@ -42,4 +42,6 @@
 #include <stdlib.h>
 
+#pragma GCC diagnostic ignored "-Wformat-zero-length"
+
 PCUT_INIT;
 
@@ -604,5 +606,5 @@
 
 	cp = NULL;
-	rc = sscanf("abc", "%m3c", &cp);
+	rc = sscanf("abc", "%3mc", &cp);
 	PCUT_ASSERT_INT_EQUALS(1, rc);
 	PCUT_ASSERT_NOT_NULL(cp);