diff --git a/indra/llmath/llvolume.cpp b/indra/llmath/llvolume.cpp
index e419d1aea5d9d834b2823f534ba0aaee85622df1..f0cff6e5cd34ea30eb8176bfe3afab65467375c8 100755
--- a/indra/llmath/llvolume.cpp
+++ b/indra/llmath/llvolume.cpp
@@ -2086,6 +2086,7 @@ void LLVolume::resizePath(S32 length)
 {
 	mPathp->resizePath(length);
 	mVolumeFaces.clear();
+	setDirty();
 }
 
 void LLVolume::regen()