diff --git a/apps/openmw/mwdialogue/selectwrapper.cpp b/apps/openmw/mwdialogue/selectwrapper.cpp
index a45c0adc0..704c4c7ef 100644
--- a/apps/openmw/mwdialogue/selectwrapper.cpp
+++ b/apps/openmw/mwdialogue/selectwrapper.cpp
@@ -51,12 +51,17 @@ MWDialogue::SelectWrapper::Type MWDialogue::SelectWrapper::getType() const
     return Type_None;
 }
 
+bool MWDialogue::SelectWrapper::IsInverted() const
+{
+    return false;
+}
+
 bool MWDialogue::SelectWrapper::selectCompare (int value) const
 {
-    return selectCompareImp (mSelect, value);
+    return selectCompareImp (mSelect, value)!=IsInverted(); // logic XOR
 }
 
 bool MWDialogue::SelectWrapper::selectCompare (float value) const
 {
-    return selectCompareImp (mSelect, value);
+    return selectCompareImp (mSelect, value)!=IsInverted(); // logic XOR
 }
diff --git a/apps/openmw/mwdialogue/selectwrapper.hpp b/apps/openmw/mwdialogue/selectwrapper.hpp
index acc3e9cc4..c4d954d53 100644
--- a/apps/openmw/mwdialogue/selectwrapper.hpp
+++ b/apps/openmw/mwdialogue/selectwrapper.hpp
@@ -31,6 +31,8 @@ namespace MWDialogue
             
             Type getType() const;
             
+            bool IsInverted() const;
+            
             bool selectCompare (int value) const;
 
             bool selectCompare (float value) const;