diff --git a/.github/workflows/build-wheels.yml b/.github/workflows/build-wheels.yml
index 3a700c791..5e5f51ee5 100644
--- a/.github/workflows/build-wheels.yml
+++ b/.github/workflows/build-wheels.yml
@@ -188,7 +188,7 @@ jobs:
           yum install python-devel -y &&
           yum install python-setuptools -y
         CIBW_ARCHS: "aarch64"
-        CIBW_ENVIRONMENT_PASS_LINUX: CFLAGS="${{ env.CFLAGS }}"
+        CIBW_ENVIRONMENT_PASS_LINUX: CFLAGS
         CIBW_TEST_COMMAND: >
           cd {project}/test/ &&
           pip install -r requirements.txt &&
@@ -251,7 +251,7 @@ jobs:
           yum install openssl-devel -y &&
           yum install python-devel -y &&
           yum install python-setuptools -y
-        CIBW_ENVIRONMENT_PASS_LINUX: CFLAGS="${{ env.CFLAGS }}"
+        CIBW_ENVIRONMENT_PASS_LINUX: CFLAGS
         CIBW_ARCHS: "x86_64"
         CIBW_TEST_COMMAND: >
           cd {project}/test/ &&
@@ -281,7 +281,7 @@ jobs:
       env:
         CIBW_BUILD: cp39-manylinux_x86_64
         CIBW_BUILD_FRONTEND: build
-        CIBW_ENVIRONMENT_PASS_LINUX: CFLAGS="${{ env.CFLAGS }}"
+        CIBW_ENVIRONMENT_PASS_LINUX: CFLAGS
         CIBW_BEFORE_ALL_LINUX: >
           yum install openssl-devel -y &&
           yum install python-devel -y &&