diff --git a/src/thread/psp/SDL_syssem.c b/src/thread/psp/SDL_syssem.c
index c2342dde9..cfbbe433d 100644
--- a/src/thread/psp/SDL_syssem.c
+++ b/src/thread/psp/SDL_syssem.c
@@ -79,7 +79,7 @@ void SDL_DestroySemaphore(SDL_sem *sem)
 int SDL_SemWaitTimeout(SDL_sem *sem, Uint32 timeout)
 {
     Uint32 *pTimeout;
-       unsigned int res;
+    int res;
 
     if (sem == NULL) {
         SDL_SetError("Passed a NULL sem");