diff --git a/.github/workflows/smoketest-dotnet-isolated-v4.yml b/.github/workflows/smoketest-dotnet-isolated-v4.yml
index e3b3c26cf..2d4309ae5 100644
--- a/.github/workflows/smoketest-dotnet-isolated-v4.yml
+++ b/.github/workflows/smoketest-dotnet-isolated-v4.yml
@@ -70,7 +70,7 @@ jobs:
 
     # Run smoke tests
     - name: check that DF extension was installed
-      run: ls ./test/SmokeTests/OOProcSmokeTests/DotNetIsolated/bin/
+      run: ls ./test/SmokeTests/OOProcSmokeTests/DotNetIsolated/bin/Release/
   
     # Run smoke tests
     - name: Run smoke tests