diff --git a/src/gui_xim.c b/src/gui_xim.c
index 345b3a4..7703bb7 100644
--- a/src/gui_xim.c
+++ b/src/gui_xim.c
@@ -272,7 +272,7 @@
 	gui_mch_mousehide(TRUE);
 }
 
-     static void
+    static void
 im_preedit_window_set_position(void)
 {
     int x, y, width, height;