--- a/src/gmic_gimp_gtk.cpp	2017-06-12 11:12:44.882044246 +0200
+++ b/src/gmic_gimp_gtk.cpp	2017-06-12 11:20:52.136048608 +0200
@@ -387,13 +387,13 @@
 
 // Get layer blending mode from string.
 //-------------------------------------
-#if (GIMP_MAJOR_VERSION>=3 || GIMP_MINOR_VERSION>8) && !defined(GIMP_NORMAL_MODE)
+#if (GIMP_MAJOR_VERSION>=3 || GIMP_MINOR_VERSION>9) && !defined(GIMP_NORMAL_MODE)
 typedef GimpLayerMode GimpLayerModeEffects;
 #define GIMP_NORMAL_MODE GIMP_LAYER_MODE_NORMAL
 #endif
 
 const char *s_blendmode(const GimpLayerModeEffects &blendmode) {
-#if GIMP_MAJOR_VERSION<=2 && GIMP_MINOR_VERSION<=8
+#if GIMP_MAJOR_VERSION<=2 && GIMP_MINOR_VERSION<=9
   switch (blendmode) {
   case GIMP_NORMAL_MODE : return "alpha";
   case GIMP_DISSOLVE_MODE : return "dissolve";
@@ -480,7 +480,7 @@
   const char *S = std::strstr(s,"mode(");
   bool is_blendmode = false;
 
-#if GIMP_MAJOR_VERSION<=2 && GIMP_MINOR_VERSION<=8
+#if GIMP_MAJOR_VERSION<=2 && GIMP_MINOR_VERSION<=9
   _get_output_layer_blendmode("alpha",GIMP_NORMAL_MODE);
   _get_output_layer_blendmode("normal",GIMP_NORMAL_MODE);
   _get_output_layer_blendmode("dissolve",GIMP_DISSOLVE_MODE);