diff --git a/src/meshfile.cpp b/src/meshfile.cpp
index 2ca8661..245bfa2 100644
--- a/src/meshfile.cpp
+++ b/src/meshfile.cpp
@@ -21,7 +21,7 @@
 #include "geometry/vector3.h"
 #include <string>
 
-BOOL ConvertToMeshFile(const std::string &meshFilename, const Ms3d *source)
+BOOL ConvertToMeshFile(const std::string &meshFilename, const Ms3d *source, float scaleFactor)
 {
 	return FALSE;
 }
diff --git a/src/meshfile.h b/src/meshfile.h
index c32df86..5591c82 100644
--- a/src/meshfile.h
+++ b/src/meshfile.h
@@ -6,6 +6,6 @@
 
 class Ms3d;
 
-BOOL ConvertToMeshFile(const std::string &meshFilename, const Ms3d *source);
+BOOL ConvertToMeshFile(const std::string &meshFilename, const Ms3d *source, float scaleFactor);
 
 #endif