diff --git a/src/osgSim/ShapeAttribute.cpp b/src/osgSim/ShapeAttribute.cpp
index b45103560..3af4be0c0 100644
--- a/src/osgSim/ShapeAttribute.cpp
+++ b/src/osgSim/ShapeAttribute.cpp
@@ -32,7 +32,7 @@ ShapeAttribute::ShapeAttribute(const char * name) :
 
 ShapeAttribute::ShapeAttribute(const char * name, int value) :
     _name(name),
-    _type(UNKNOWN),
+    _type(INTEGER),
     _integer(value)
 {}