diff --git a/packages/builder/src/components/backend/Datasources/CreateEditRelationship.svelte b/packages/builder/src/components/backend/Datasources/CreateEditRelationship.svelte
index d83f3bf9a7..74bba33baa 100644
--- a/packages/builder/src/components/backend/Datasources/CreateEditRelationship.svelte
+++ b/packages/builder/src/components/backend/Datasources/CreateEditRelationship.svelte
@@ -127,10 +127,7 @@
   let fromPrimary
   $: {
     if (!fromPrimary && fromTable) {
-      const relationshipKey = fromRelationship?.fieldName
-      fromPrimary =
-        fromTable.primary.filter(val => val === relationshipKey)[0] ||
-        fromTable.primary[0]
+      fromPrimary = fromRelationship?.foreignKey
     }
   }
   $: isManyToMany =