diff --git a/src/setup-install3-pi.nsi b/src/setup-install3-pi.nsi
index f2a6bb4..f1ed300 100644
--- a/src/setup-install3-pi.nsi
+++ b/src/setup-install3-pi.nsi
@@ -298,7 +298,9 @@ Section Uninstall
   RMDir /r "$INSTDIR\PyQt6"
   RMDir /r "$INSTDIR\scipy"
   RMDir /r "$INSTDIR\setuptools-63.2.0.dist-info"
-  RMDir /r "$INSTDIR\yaml"
+  RMDir /r "$INSTDIR\yaml"
+
+  RMDir /r "$INSTDIR\_internal"
 
   RMDir "$SMPROGRAMS\${PRODUCT_NAME}"
   RMDir "$INSTDIR"