@@ -36,11 +36,11 @@
 	of_mutex_t	 mutex;
 };
 
 static of_mutex_t mutex;
 static struct locks_s *locks = NULL;
-static size_t num_locks = 0;
+static ssize_t num_locks = 0;
 
 #define SYNC_ERR(f)							\
 	{								\
 		fprintf(stderr, "WARNING: %s failed in line %d!\n"	\
 		    "WARNING: This might result in a race "		\
@@ -55,11 +55,11 @@
 }
 
 int
 objc_sync_enter(id obj)
 {
-	int i;
+	ssize_t i;
 
 	if (obj == nil)
 		return 0;
 
 	if (!of_mutex_lock(&mutex))
@@ -140,11 +140,11 @@
 }
 
 int
 objc_sync_exit(id obj)
 {
-	int i;
+	ssize_t i;
 
 	if (obj == nil)
 		return 0;
 
 	if (!of_mutex_lock(&mutex))