diff --git a/code/FBXDocument.h b/code/FBXDocument.h
index 386a660d9..654f5bfa8 100644
--- a/code/FBXDocument.h
+++ b/code/FBXDocument.h
@@ -1022,8 +1022,8 @@ public:
     fbx_simple_property(CoordAxisSign, int, 1)
     fbx_simple_property(OriginalUpAxis, int, 0)
     fbx_simple_property(OriginalUpAxisSign, int, 1)
-    fbx_simple_property(UnitScaleFactor, double, 1)
-    fbx_simple_property(OriginalUnitScaleFactor, double, 1)
+    fbx_simple_property(UnitScaleFactor, float, 1)
+    fbx_simple_property(OriginalUnitScaleFactor, float, 1)
     fbx_simple_property(AmbientColor, aiVector3D, aiVector3D(0,0,0))
     fbx_simple_property(DefaultCamera, std::string, "")