diff --git a/configure.ac b/configure.ac
--- a/configure.ac
+++ b/configure.ac
@@ -2745,10 +2745,10 @@
   fi
 
   if test $build_gui = yes; then
-    AC_CHECK_TOOLS(MOC, [moc-qt5 moc-qt4 moc])
-    AC_CHECK_TOOLS(UIC, [uic-qt5 uic-qt4 uic])
-    AC_CHECK_TOOLS(RCC, [rcc-qt5 rcc-qt4 rcc])
-    AC_CHECK_TOOLS(LRELEASE, [lrelease-qt5 lrelease-qt4 lrelease])
+    AC_CHECK_TOOLS(MOC, [moc-qt4 moc])
+    AC_CHECK_TOOLS(UIC, [uic-qt4 uic])
+    AC_CHECK_TOOLS(RCC, [rcc-qt4 rcc])
+    AC_CHECK_TOOLS(LRELEASE, [lrelease-qt4 lrelease])
     if test -n "$MOC" && test -n "$UIC" && test -n "$RCC" && test -n "$LRELEASE"; then
       AC_DEFINE(HAVE_QT, 1, 
         [Define to 1 if Qt is available (libraries, developer header files, utility programs (moc, uic, rcc, and lrelease))])