diff --git a/apps/openmw/mwgui/widgets.hpp b/apps/openmw/mwgui/widgets.hpp
index c66bf5dd0e..04866b176d 100644
--- a/apps/openmw/mwgui/widgets.hpp
+++ b/apps/openmw/mwgui/widgets.hpp
@@ -54,9 +54,20 @@ namespace MWGui
 
             bool operator==(const SpellEffectParams& other) const
             {
-                return (other.mEffectID == mEffectID
-                        && other.mSkill == mSkill
-                        && other.mAttribute == mAttribute);
+                if (mEffectID !=  other.mEffectID)
+                    return false;
+
+                bool involvesAttribute = (mEffectID == 74 // restore attribute
+                                        || mEffectID == 85 // absorb attribute
+                                        || mEffectID == 17 // drain attribute
+                                        || mEffectID == 79 // fortify attribute
+                                        || mEffectID == 22); // damage attribute
+                bool involvesSkill = (mEffectID == 78 // restore skill
+                                        || mEffectID == 89 // absorb skill
+                                        || mEffectID == 21 // drain skill
+                                        || mEffectID == 83 // fortify skill
+                                        || mEffectID == 26); // damage skill
+                return ((other.mSkill == mSkill) || !involvesSkill) && ((other.mAttribute == mAttribute) && !involvesAttribute);
             }
         };