diff --git a/.github/workflows/build_and_test.yml b/.github/workflows/build_and_test.yml
index 109c285f4f..ed54819a5c 100644
--- a/.github/workflows/build_and_test.yml
+++ b/.github/workflows/build_and_test.yml
@@ -31,6 +31,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: Swatinem/rust-cache@v2
       - name: Install mimetype
+        if: runner.os == 'Linux'
         run: sudo apt-get install libfile-mimeinfo-perl
       - name: Check for binary blobs
         if: runner.os == 'Linux'