2 files changed, 3 insertions, 3 deletions
diff --git a/indra/llappearance/llavatarappearance.cpp b/indra/llappearance/llavatarappearance.cpp
index 92217c60ff..38cda2e2f1 100644
--- a/indra/llappearance/llavatarappearance.cpp
+++ b/indra/llappearance/llavatarappearance.cpp
@@ -1348,9 +1348,9 @@ LLVector3 LLAvatarAppearance::getVolumePos(S32 joint_index, LLVector3& volume_of
 //-----------------------------------------------------------------------------
 // findCollisionVolume()
 //-----------------------------------------------------------------------------
-LLJoint* LLAvatarAppearance::findCollisionVolume(U32 volume_id)
+LLJoint* LLAvatarAppearance::findCollisionVolume(S32 volume_id)
 {
-	if ((S32)volume_id > mNumCollisionVolumes)
+	if ((volume_id < 0) || (volume_id >= mNumCollisionVolumes))
 	{
 		return NULL;
 	}
diff --git a/indra/llappearance/llavatarappearance.h b/indra/llappearance/llavatarappearance.h
index 7815c1844b..6a4dbf3726 100644
--- a/indra/llappearance/llavatarappearance.h
+++ b/indra/llappearance/llavatarappearance.h
@@ -93,7 +93,7 @@ public:
 
 	/*virtual*/ const char*		getAnimationPrefix() { return "avatar"; }
 	/*virtual*/ LLVector3		getVolumePos(S32 joint_index, LLVector3& volume_offset);
-	/*virtual*/ LLJoint*		findCollisionVolume(U32 volume_id);
+	/*virtual*/ LLJoint*		findCollisionVolume(S32 volume_id);
 	/*virtual*/ S32				getCollisionVolumeID(std::string &name);
 	/*virtual*/ LLPolyMesh*		getHeadMesh();
 	/*virtual*/ LLPolyMesh*		getUpperBodyMesh();