diff --git a/.github/workflows/test-linux.yml b/.github/workflows/test-linux.yml
index adeb6689413..3608dbdba07 100644
--- a/.github/workflows/test-linux.yml
+++ b/.github/workflows/test-linux.yml
@@ -114,7 +114,7 @@ jobs:
           sudo apt-get install gperf build-essential bison flex libreadline-dev gawk tcl-dev libffi-dev git graphviz xdot pkg-config python3 libboost-system-dev libboost-python-dev libboost-filesystem-dev zlib1g-dev
 
       - name: Setup Clang
-        if: runner.os == Linux
+        if: runner.os == 'Linux'
         shell: bash
         run: |
           wget https://apt.llvm.org/llvm-snapshot.gpg.key