diff --git a/cli/sync.ts b/cli/sync.ts
index b19470ca1e..d770029c45 100644
--- a/cli/sync.ts
+++ b/cli/sync.ts
@@ -900,10 +900,14 @@ export async function pull(opts: GlobalOptions & SyncOptions) {
     )
   );
 
-  const resourceTypeToFormatExtension =
-    (await wmill.fileResourceTypeToFileExtMap({
+  let resourceTypeToFormatExtension: Record<string, string> = {};
+  try {
+    resourceTypeToFormatExtension = (await wmill.fileResourceTypeToFileExtMap({
       workspace: workspace.workspaceId,
     })) as Record<string, string>;
+  } catch {
+    // ignore
+  }
   const remote = ZipFSElement(
     (await downloadZip(
       workspace,
@@ -1195,10 +1199,14 @@ export async function push(opts: GlobalOptions & SyncOptions) {
       "Computing the files to update on the remote to match local (taking wmill.yaml includes/excludes into account)"
     )
   );
-  const resourceTypeToFormatExtension =
-    (await wmill.fileResourceTypeToFileExtMap({
+  let resourceTypeToFormatExtension: Record<string, string> = {};
+  try {
+    resourceTypeToFormatExtension = (await wmill.fileResourceTypeToFileExtMap({
       workspace: workspace.workspaceId,
     })) as Record<string, string>;
+  } catch {
+    // ignore
+  }
   const remote = ZipFSElement(
     (await downloadZip(
       workspace,