diff --git a/cogl/cogl-material.c b/cogl/cogl-material.c
index 8f12fc81b..60e037b30 100644
--- a/cogl/cogl-material.c
+++ b/cogl/cogl-material.c
@@ -1750,6 +1750,11 @@ _cogl_material_layer_equal (CoglMaterialLayer *material0_layer,
     return FALSE;
 #endif
 
+  if (material0_layer->mag_filter != material1_layer->mag_filter)
+    return FALSE;
+  if (material0_layer->min_filter != material1_layer->min_filter)
+    return FALSE;
+
   return TRUE;
 }