diff --git a/build-aux/flatpak/page.kramo.Cartridges.Devel.json b/build-aux/flatpak/page.kramo.Cartridges.Devel.json
index 2bc148a..35af22f 100644
--- a/build-aux/flatpak/page.kramo.Cartridges.Devel.json
+++ b/build-aux/flatpak/page.kramo.Cartridges.Devel.json
@@ -126,7 +126,7 @@
       "sources": [
         {
           "type": "dir",
-          "path": ".."
+          "path": "../.."
         }
       ]
     }