diff --git a/phreeqcpp/.github/subtrees.json b/phreeqcpp/.github/subtrees.json
index 7f076eb3..ff31b0dd 100644
--- a/phreeqcpp/.github/subtrees.json
+++ b/phreeqcpp/.github/subtrees.json
@@ -1,6 +1,7 @@
 [
   {
     "prefix": "common",
-    "url": "git@${CI_SERVER_HOST}:${GROUP}-subtrees/phreeqc3-src-common.git"
+    "url": "git@${CI_SERVER_HOST}:${GROUP}-subtrees/phreeqc3-src-common.git",
+    "repo": "usgs-coupled-subtrees/phreeqc3-src-common"
   }
 ]
\ No newline at end of file