diff --git a/.github/workflows/pr_build.yml b/.github/workflows/pr_build.yml
index 7426fa82e0..32295e0a0b 100644
--- a/.github/workflows/pr_build.yml
+++ b/.github/workflows/pr_build.yml
@@ -71,7 +71,7 @@ jobs:
             echo "VIRCADIA_USE_SYSTEM_QT=true" >> $GITHUB_ENV
             echo "CI_WORKSPACE=${{runner.workspace}}" >> $GITHUB_ENV
           fi
-          if [ "${{ matrix.os }}" =~ "aarch64" ]; then
+          if [ "${{ matrix.os }}" = *"aarch64" ]; then
             echo "VCPKG_FORCE_SYSTEM_BINARIES=true" >> $GITHUB_ENV
           fi
           if [ "${{ matrix.build_type }}" = "full" ]; then