diff --git a/ci/azure/windows_script b/ci/azure/windows_script
index f2faaa0a6a..8707cb208e 100644
--- a/ci/azure/windows_script
+++ b/ci/azure/windows_script
@@ -36,7 +36,7 @@ cmake .. -DCMAKE_BUILD_TYPE=Release \
     -DCMAKE_CROSSCOMPILING=True \
     -DCMAKE_SYSTEM_NAME="Windows" \
     -DCMAKE_AR="$PREFIX/bin/llvm-ar.exe" \
-    -DCMAKE_RANLIB="$PREFIX/bin/llvm-ar.exe" \
+    -DCMAKE_RANLIB="$PREFIX/bin/llvm-ar.exe s" \
     -DZIG_OMIT_STAGE2=ON \
     -DZIG_STATIC=ON \
     -DZIG_TARGET_TRIPLE="x86_64-windows-gnu" \