diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 47d4cbd2a6..10746da1e8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -512,7 +512,7 @@ jobs:
             cc_compiler: clang
             cxx_compiler: clang++
             cxx_std: 17
-            python_ver: "3.10"
+            python_ver: "3.11"
             aclang: 13
             setenvs: export INSTALL_QT=0 INSTALL_OPENCV=0
           - desc: MacOS-13
diff --git a/src/build-scripts/install_homebrew_deps.bash b/src/build-scripts/install_homebrew_deps.bash
index 99e88c63c9..0c0fd56aab 100755
--- a/src/build-scripts/install_homebrew_deps.bash
+++ b/src/build-scripts/install_homebrew_deps.bash
@@ -44,7 +44,7 @@ brew install --display-times -q freetype libraw dcmtk pybind11 numpy || true
 brew install --display-times -q ffmpeg libheif ptex || true
 brew install --display-times -q tbb || true
 brew install --display-times -q openvdb || true
-if [[ "${USE_OPENCV}" != "0" ]] && [[ "${USE_OPENCV:=1}" != "0" ]] ; then
+if [[ "${USE_OPENCV}" != "0" ]] && [[ "${INSTALL_OPENCV:=1}" != "0" ]] ; then
     brew install --display-times -q opencv || true
 fi
 if [[ "${USE_QT:=1}" != "0" ]] && [[ "${INSTALL_QT:=1}" != "0" ]] ; then