diff -r 3dd7d21fb76b -r fbc33813265b test/map_tests.c
--- a/test/map_tests.c	Wed May 30 11:13:52 2018 +0200
+++ b/test/map_tests.c	Thu Jun 21 16:00:37 2018 +0200
@@ -39,7 +39,7 @@
 }
 
 UCX_TEST(test_ucx_key) {
-    UcxKey key = ucx_key((void*)"This is a text.", 15);
+    UcxKey key = ucx_key("This is a text.", 15);
     UCX_TEST_BEGIN
     UCX_TEST_ASSERT(strncmp((const char*)key.data, "This is a text.", 15) == 0,
             "failed");