diff --git a/.quixos-subtree-source.json b/.quixos-subtree-source.json
index 9a75d07..245945a 100644
--- a/.quixos-subtree-source.json
+++ b/.quixos-subtree-source.json
@@ -1,7 +1,7 @@
 {
   "version": 1,
   "sourceRepo": "https://gitea-external.egads.tutti.syntaxblitz.net/quixos/quixos.git",
-  "sourceCommit": "988bb022bf279fb83d8720c239844a272c676e67",
+  "sourceCommit": "0afd5b03b7640bf6962d3059cd50aef76a3b56da",
   "sourcePath": "quixos-instance/packages/camino-package-runtime",
   "exportName": "camino-package-runtime",
   "mirrorRemote": "https://gitea-external.egads.tutti.syntaxblitz.net/quixos/camino-package-runtime.git"
diff --git a/dist/schema-compiler.d.ts.map b/dist/schema-compiler.d.ts.map
index aa1fdd9..9f30bdf 100644
--- a/dist/schema-compiler.d.ts.map
+++ b/dist/schema-compiler.d.ts.map
@@ -1 +1 @@
-{"version":3,"file":"schema-compiler.d.ts","sourceRoot":"","sources":["../src/schema-compiler.ts"],"names":[],"mappings":"AAEA,OAAO,QAAQ,MAAM,YAAY,CAAC;AAClC,OAAO,KAAK,EAeV,mBAAmB,EAIpB,MAAM,gBAAgB,CAAC;AAw2BxB,eAAO,MAAM,oBAAoB,GAC/B,YAAY,MAAM,KACjB,OAAO,CAAC;IAAE,kBAAkB,EAAE,MAAM,CAAC;IAAC,IAAI,EAAE,QAAQ,CAAC,IAAI,CAAA;CAAE,CAqC7D,CAAC;AAEF,eAAO,MAAM,mBAAmB,GAC9B,YAAY,MAAM,KACjB,OAAO,CAAC,mBAAmB,CAsC7B,CAAC"}
\ No newline at end of file
+{"version":3,"file":"schema-compiler.d.ts","sourceRoot":"","sources":["../src/schema-compiler.ts"],"names":[],"mappings":"AAEA,OAAO,QAAQ,MAAM,YAAY,CAAC;AAClC,OAAO,KAAK,EAeV,mBAAmB,EAIpB,MAAM,gBAAgB,CAAC;AAq2BxB,eAAO,MAAM,oBAAoB,GAC/B,YAAY,MAAM,KACjB,OAAO,CAAC;IAAE,kBAAkB,EAAE,MAAM,CAAC;IAAC,IAAI,EAAE,QAAQ,CAAC,IAAI,CAAA;CAAE,CAqC7D,CAAC;AAEF,eAAO,MAAM,mBAAmB,GAC9B,YAAY,MAAM,KACjB,OAAO,CAAC,mBAAmB,CAsC7B,CAAC"}
\ No newline at end of file
diff --git a/dist/schema-compiler.js b/dist/schema-compiler.js
index 54f4f5b..da3187b 100644
--- a/dist/schema-compiler.js
+++ b/dist/schema-compiler.js
@@ -511,9 +511,8 @@ const classSchemaFromType = (type, sourceFile, defaults, operationServices) => {
         if (!declaredToEndpoint.projection) {
             throw new Error(`Edge field ${type.fullName}.${field.name} requires other_endpoint.projection or inverse`);
         }
-        const sourceType = typeRefForField(field, defaults.schemaVersion);
-        if (sourceType.symbol?.namespace !== "camino" ||
-            sourceType.symbol.name !== "Ref") {
+        const sourceProtoType = field.resolvedType?.fullName?.replace(/^\./, "");
+        if (sourceProtoType !== "camino.Ref") {
             throw new Error(`Edge field ${type.fullName}.${field.name} must use camino.Ref`);
         }
         const isMany = isManyCardinality(declaredFromEndpoint.cardinality);
diff --git a/src/schema-compiler.ts b/src/schema-compiler.ts
index ee10ce7..e5d2c02 100644
--- a/src/schema-compiler.ts
+++ b/src/schema-compiler.ts
@@ -718,11 +718,8 @@ const classSchemaFromType = (
         `Edge field ${type.fullName}.${field.name} requires other_endpoint.projection or inverse`,
       );
     }
-    const sourceType = typeRefForField(field, defaults.schemaVersion);
-    if (
-      sourceType.symbol?.namespace !== "camino" ||
-      sourceType.symbol.name !== "Ref"
-    ) {
+    const sourceProtoType = field.resolvedType?.fullName?.replace(/^\./, "");
+    if (sourceProtoType !== "camino.Ref") {
       throw new Error(`Edge field ${type.fullName}.${field.name} must use camino.Ref`);
     }
     const isMany = isManyCardinality(declaredFromEndpoint.cardinality);