diff --git a/src/mtsgui/SConscript b/src/mtsgui/SConscript
index 402574c5..9de0db15 100644
--- a/src/mtsgui/SConscript
+++ b/src/mtsgui/SConscript
@@ -54,7 +54,7 @@ if hasQt:
 		qtEnv_osx.ConfigureForObjectiveCPP()
 		qtEnv_osx['CXXFLAGS'].append(['-Fdependencies/darwin', '-framework', 'BWToolkitFramework'])
 		qtSources += qtEnv_osx.StaticObject('previewsettingsdlg_cocoa_impl.mm')
-		env.Program('symlinks_install', ['symlinks_install.c'])
+		env.Program('symlinks_install', ['symlinks_install.cpp'])
 	else:
 		qtSources = [x for x in qtSources if (not isinstance(x, str) or 'cocoa' not in x)]
 	mtsgui = qtEnv.Program('mtsgui', qtSources)
diff --git a/src/mtsgui/symlinks_install.c b/src/mtsgui/symlinks_install.cpp
similarity index 100%
rename from src/mtsgui/symlinks_install.c
rename to src/mtsgui/symlinks_install.cpp