diff --git a/configure b/configure
index a80bcdb586..2bca459628 100755
--- a/configure
+++ b/configure
@@ -4476,7 +4476,7 @@ fi
 # auto-detect GTK style support
 if [ "$CFG_GLIB" = "yes" -a "$CFG_QGTKSTYLE" != "no" ]; then
     if [ -n "$PKG_CONFIG" ]; then
-        QT_CFLAGS_QGTKSTYLE=`$PKG_CONFIG --cflags gtk+-2.0 ">=" 2.10 atk 2>/dev/null`
+        QT_CFLAGS_QGTKSTYLE=`$PKG_CONFIG --cflags gtk+-2.0 ">=" 2.18 atk 2>/dev/null`
         QT_LIBS_QGTKSTYLE=`$PKG_CONFIG --libs gobject-2.0 2>/dev/null`
     fi
     if [ -n "$QT_CFLAGS_QGTKSTYLE" ] ; then