diff --git a/windows/mavproxy.spec b/windows/mavproxy.spec
index ad6eb4ba7a..77afe41c50 100755
--- a/windows/mavproxy.spec
+++ b/windows/mavproxy.spec
@@ -95,7 +95,7 @@ MAVPicViewer_exe = EXE(MAVPicViewer_pyz,
             strip=None,
             upx=True,
             console=True )
-MAVExp_coll = COLLECT(MAVPicViewer_exe,
+MAVPicViewer_coll = COLLECT(MAVPicViewer_exe,
                MAVPicViewerAny.binaries,
                MAVPicViewerAny.zipfiles,
                MAVPicViewerAny.datas,