diff --git a/indra/newview/llinventoryfilter.cpp b/indra/newview/llinventoryfilter.cpp
index eb9d103524..171dd13466 100644
--- a/indra/newview/llinventoryfilter.cpp
+++ b/indra/newview/llinventoryfilter.cpp
@@ -1083,17 +1083,22 @@ void LLInventoryFilter::setFilterWorn(BOOL worn)
 // </FS>
 
 // <FS:Ansariel> FIRE-19340: search inventory by transferable permission
-void LLInventoryFilter::setFilterTransferable(BOOL transferable)
-{
-	setModified();
-	if (transferable)
-	{
-		mFilterOps.mFilterTypes |= FILTERTYPE_TRANSFERABLE;
-	}
-	else
-	{
-		mFilterOps.mFilterTypes &= ~FILTERTYPE_TRANSFERABLE;
-	}
+void LLInventoryFilter::setFilterTransferable(BOOL transferable)
+{
+	BOOL current = (mFilterOps.mFilterTypes & FILTERTYPE_TRANSFERABLE) != 0;
+
+	if (current != transferable)
+	{
+		setModified();
+		if (transferable)
+		{
+			mFilterOps.mFilterTypes |= FILTERTYPE_TRANSFERABLE;
+		}
+		else
+		{
+			mFilterOps.mFilterTypes &= ~FILTERTYPE_TRANSFERABLE;
+		}
+	}
 }
 // </FS:Ansariel>