diff --git a/cmake/sdlchecks.cmake b/cmake/sdlchecks.cmake
index 830fefcb1..c4aec174e 100644
--- a/cmake/sdlchecks.cmake
+++ b/cmake/sdlchecks.cmake
@@ -1020,9 +1020,9 @@ macro(CheckPTHREAD)
             #include <pthread.h>
             int main(int argc, char **argv) {
               #ifdef __APPLE__
-              pthread_setname_np(pthread_self());
+              pthread_setname_np(\"\");
               #else
-              pthread_setname_np(pthread_self(), \"\");
+              pthread_setname_np(pthread_self(),\"\");
               #endif
               return 0;
             }" HAVE_PTHREAD_SETNAME_NP)