diff --git a/clients/qt4/Makefile.in b/clients/qt4/Makefile.in
index 61da0e20..9bd80d4d 100644
--- a/clients/qt4/Makefile.in
+++ b/clients/qt4/Makefile.in
@@ -6,7 +6,7 @@ DEBUG :=
 
 CXX := @CXX@ -Wall
 AR  := ar
-MOC := moc
+MOC := @QT4_MOC@
 DEFS:=
 
 INCLUDES:=-I. -I@srcdir@ -I@top_srcdir@ @QT4_INC@
diff --git a/configure.in b/configure.in
index 578f123d..370e1f98 100644
--- a/configure.in
+++ b/configure.in
@@ -680,6 +680,7 @@ AC_SUBST(GMOZ_LIB)
 HAVE_QT4=no
 QT4_INC=""
 QT4_LIB=""
+QT4_MOC=""
 QT4_VER=""
 AC_ARG_WITH(libqt4,AC_HELP_STRING([--with-libqt4],[use Qt for graphical clients (default)]),[ac_cv_use_libqt4=$withval],[ac_cv_use_libqt4=yes])
 if [[ "x$ac_cv_use_libqt4" = "xyes" ]]; then
@@ -691,6 +692,8 @@ if [[ "x$ac_cv_use_libqt4" = "xyes" ]]; then
 	HAVE_QT4=yes
 	QT4_INC="$incqt"
 	QT4_LIB="$libqt"
+	QT4_MOC=`echo "$incqt" | sed -n 's,^.*-I\([[^ ]]\+\)/include .*$,\1/bin/moc,p'`
+	test -z "$QT4_MOC" && QT4_MOC="moc"
 	QT4_VER=`echo "$verqt" | sed "$vsed" | sed "$vsed" | sed 's/\(..\)\.\(..\)\.\(..\)/\1\2\3/'`
 	ac_cv_use_libqt="no"
     else
@@ -701,6 +704,7 @@ fi
 AC_SUBST(HAVE_QT4)
 AC_SUBST(QT4_INC)
 AC_SUBST(QT4_LIB)
+AC_SUBST(QT4_MOC)
 AC_SUBST(QT4_VER)
 
 AC_ARG_WITH(libgtk2,AC_HELP_STRING([--with-libgtk2],[use Gtk for graphical clients (default)]),[ac_cv_use_libgtk2=$withval],[ac_cv_use_libgtk2=yes])