diff --git a/wpa_supplicant/Makefile b/wpa_supplicant/Makefile
index af2d92421..cade874c4 100644
--- a/wpa_supplicant/Makefile
+++ b/wpa_supplicant/Makefile
@@ -1720,7 +1720,7 @@ wpa_gui:
 	@echo "wpa_gui has been removed - see wpa_gui-qt4 for replacement"
 
 wpa_gui-qt4/Makefile:
-	qmake -o wpa_gui-qt4/Makefile wpa_gui-qt4/wpa_gui.pro 
+	qmake -o wpa_gui-qt4/Makefile wpa_gui-qt4/wpa_gui.pro
 
 wpa_gui-qt4/lang/wpa_gui_de.qm: wpa_gui-qt4/lang/wpa_gui_de.ts
 	lrelease wpa_gui-qt4/wpa_gui.pro