diff --git a/src/util/threads-pthread.c b/src/util/threads-pthread.c
index 82ce5c6ee8..5b8fd5b9ef 100644
--- a/src/util/threads-pthread.c
+++ b/src/util/threads-pthread.c
@@ -216,7 +216,7 @@ int virThreadSelfID(void)
     tid = syscall(SYS_gettid);
     return (int)tid;
 #else
-    return (int)(void *)pthread_self();
+    return (int)(intptr_t)(void *)pthread_self();
 #endif
 }