diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 736036a..1df78df 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -64,6 +64,11 @@ jobs:
     - name: Build 64bit Rebol OpenCV extension
       run: ./siskin Rebol-OpenCV.nest -o ./build/opencv-linux-x64.rebx opencv-linux-x64
 
+    - name: Setup library location
+      run: |
+        ldconfig /usr/local/lib
+        ldd -v ./build/opencv-linux-x64.rebx
+
     - name: Install Rebol for extension test
       uses: oldes/install-rebol@v3.17.0