diff --git a/dist_assets/linux/AppImageBuilder.yml b/dist_assets/linux/AppImageBuilder.yml
index 13c89fa78..a6e4fd8b9 100644
--- a/dist_assets/linux/AppImageBuilder.yml
+++ b/dist_assets/linux/AppImageBuilder.yml
@@ -63,7 +63,7 @@ AppDir:
       SSL_CERT_FILE: '${APPDIR}/usr/local/lib/python3.11/dist-packages/certifi/cacert.pem'
       # Sets variable to default value in case system doesn't provide any
       # Seems like ubuntu GTK doesn't use defaults and relies just on the variable
-      XDG_DATA_DIRS: '${{XDG_DATA_DIRS:-/usr/local/share/:/usr/share/}}:${APPDIR}/usr/share/'
+      XDG_DATA_DIRS: '${XDG_DATA_DIRS:-/usr/local/share/:/usr/share/}:${APPDIR}/usr/share/'
 
 AppImage:
   sign-key: None