diff --git a/.github/workflows/build_quic_interop_container.yml b/.github/workflows/build_quic_interop_container.yml
index d7b20692d8..30fd99bb34 100644
--- a/.github/workflows/build_quic_interop_container.yml
+++ b/.github/workflows/build_quic_interop_container.yml
@@ -38,7 +38,8 @@ jobs:
           docker login -u openssl-ci+machine -p ${{ secrets.QUAY_IO_PASSWORD }} quay.io
       - name: Patch qns.Dockerfile
         run: |
-          sed 's/RUN     cmake -DQUIC_BUILD_TOOLS=on -DQUIC_ENABLE_LOGGING=on ../RUN     cmake -DQUIC_BUILD_TOOLS=on -DQUIC_ENABLE_LOGGING=on -DQUIC_TLS_LIB=openssl ../' ./scripts/qns.Dockerfile
+          sed -i 's/RUN     cmake -DQUIC_BUILD_TOOLS=on -DQUIC_ENABLE_LOGGING=on ../RUN     cmake -DQUIC_BUILD_TOOLS=on -DQUIC_ENABLE_LOGGING=on -DQUIC_TLS_LIB=openssl ../' ./scripts/qns.Dockerfile
+          if grep -q "RUN     cmake -DQUIC_BUILD_TOOLS=on -DQUIC_ENABLE_LOGGING=on -DQUIC_TLS_LIB=openssl .." ./scripts/qns.Dockerfile; then echo "Patched successfully"; else exit 1; fi
       - name: "Build container"
         run: |
           docker build -f ./scripts/qns.Dockerfile -t quay.io/openssl-ci/msquic-openssl:latest .