diff --git a/.github/workflows/prerelease.yml b/.github/workflows/prerelease.yml
index a5fa71e1..f8c46538 100644
--- a/.github/workflows/prerelease.yml
+++ b/.github/workflows/prerelease.yml
@@ -479,7 +479,7 @@ jobs:
       - name: Test C++
         run: build_artifacts/stringzilla_test_cpp20
       - name: Check stringzillite is built correctly
-        run: test -z "$(ldd build_artifacts/libstringzillite.so | grep '.so')"
+        run: test -z "$(ldd build_artifacts/libstringzillite.so | grep '.so' | grep '=>')"
 
         # Python
       - name: Build Python