diff --git a/Tests/CMakeLib/testUTF8.cxx b/Tests/CMakeLib/testUTF8.cxx
index 986f5956ef..1bf88cf4cd 100644
--- a/Tests/CMakeLib/testUTF8.cxx
+++ b/Tests/CMakeLib/testUTF8.cxx
@@ -9,9 +9,11 @@ typedef char test_utf8_char[5];
 static void test_utf8_char_print(test_utf8_char const c)
 {
   unsigned char const* d = reinterpret_cast<unsigned char const*>(c);
+#ifndef __clang_analyzer__ // somehow thinks arguments are not initialized
   printf("[0x%02X,0x%02X,0x%02X,0x%02X]", static_cast<int>(d[0]),
          static_cast<int>(d[1]), static_cast<int>(d[2]),
          static_cast<int>(d[3]));
+#endif
 }
 
 static void byte_array_print(char const* s)