diff --git a/pkg/gpxsee.nsi b/pkg/gpxsee.nsi
index 90d4e747..5f9fb498 100644
--- a/pkg/gpxsee.nsi
+++ b/pkg/gpxsee.nsi
@@ -225,6 +225,7 @@ Section "Uninstall"
   !insertmacro FILE_ASSOCIATION_REMOVE "wpt"
   !insertmacro FILE_ASSOCIATION_REMOVE "loc"
   !insertmacro FILE_ASSOCIATION_REMOVE "slf"
+  !insertmacro FILE_ASSOCIATION_REMOVE "geojson"
   System::Call 'shell32.dll::SHChangeNotify(i, i, i, i) v (0x08000000, 0, 0, 0)'
 
 SectionEnd
diff --git a/pkg/gpxsee64.nsi b/pkg/gpxsee64.nsi
index 972f3bb9..2cc58440 100644
--- a/pkg/gpxsee64.nsi
+++ b/pkg/gpxsee64.nsi
@@ -228,6 +228,7 @@ Section "Uninstall"
   !insertmacro FILE_ASSOCIATION_REMOVE "wpt"
   !insertmacro FILE_ASSOCIATION_REMOVE "loc"
   !insertmacro FILE_ASSOCIATION_REMOVE "slf"
+  !insertmacro FILE_ASSOCIATION_REMOVE "geojson"
   System::Call 'shell32.dll::SHChangeNotify(i, i, i, i) v (0x08000000, 0, 0, 0)'
 
 SectionEnd
@@ -258,4 +259,4 @@ LangString DESC_LOCALIZATION ${LANG_ENGLISH} \
   !insertmacro MUI_DESCRIPTION_TEXT ${SEC_MSVC} $(DESC_MSVC) 
   !insertmacro MUI_DESCRIPTION_TEXT ${SEC_APP} $(DESC_APP)
   !insertmacro MUI_DESCRIPTION_TEXT ${SEC_LOCALIZATION} $(DESC_LOCALIZATION)
-!insertmacro MUI_FUNCTION_DESCRIPTION_END
\ No newline at end of file
+!insertmacro MUI_FUNCTION_DESCRIPTION_END