diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index b7a1210..0cadcbc 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -18,7 +18,7 @@ jobs:
     - name: install prerequisites
       run: sudo apt-get install -y zlib1g-dev
     - name: make
-      run: make 'COMMONFLAGS="-g -fsanitize=address"'
+      run: make 'COMMONFLAGS=-g -fsanitize=address'
     - name: test
       env:
         ASAN_OPTIONS: leak_check_at_exit=false
@@ -31,6 +31,6 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - name: make
-      run: make 'COMMONFLAGS="-g -fsanitize=address"'
+      run: make 'COMMONFLAGS=-g -fsanitize=address'
     - name: test
       run: make test