diff --git a/rbutil/rbutilqt/rbutilqt.pro b/rbutil/rbutilqt/rbutilqt.pro
index 366cc486e0..7ba1f63fb9 100644
--- a/rbutil/rbutilqt/rbutilqt.pro
+++ b/rbutil/rbutilqt/rbutilqt.pro
@@ -5,7 +5,6 @@
 #   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
 #   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
 #                     \/            \/     \/    \/            \/
-# $Id$
 #
 # All files in this archive are subject to the GNU General Public License.
 # See the file COPYING in the source tree root for full license agreement.
@@ -19,8 +18,8 @@ unix:!mac:!noccache {
     CCACHE = $$system(which ccache)
     !isEmpty(CCACHE) {
         message("using ccache")
-        QMAKE_CXX = ccache g++
-        QMAKE_CC = ccache gcc
+        QMAKE_CXX = ccache $$QMAKE_CXX
+        QMAKE_CC = ccache $$QMAKE_CC
     }
 }