diff --git a/init_posix.go b/init_posix.go
index ea5cb34..2da7f95 100644
--- a/init_posix.go
+++ b/init_posix.go
@@ -61,12 +61,8 @@ void go_thread_locking_callback(int mode, int n, const char *file,
 	}
 }
 
-unsigned long go_thread_id_callback(void)
-{
-    unsigned long ret;
-
-    ret = (unsigned long)pthread_self();
-    return (ret);
+unsigned long go_thread_id_callback(void) {
+    return (unsigned long)pthread_self();
 }
 */
 import "C"
diff --git a/init_windows.go b/init_windows.go
index 2e893b9..051133c 100644
--- a/init_windows.go
+++ b/init_windows.go
@@ -49,5 +49,9 @@ void go_thread_locking_callback(int mode, int n, const char *file,
 		LeaveCriticalSection(&goopenssl_locks[n]);
 	}
 }
+
+unsigned long go_thread_id_callback(void) {
+    return (unsigned long)GetCurrentThreadId();
+}
 */
 import "C"