diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index b953f4dc..3d4cab05 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -20,7 +20,7 @@ jobs:
 
     steps:
     - uses: actions/checkout@v3
-    - if: ${{ matrix.os == ubuntu-latest }}
+    - if: ${{ matrix.os == 'ubuntu-latest' }}
       uses: awalsh128/cache-apt-pkgs-action@latest
       with:
         packages: libssl-dev pkg-config libasound2-dev
@@ -45,7 +45,7 @@ jobs:
 
     steps:
     - uses: actions/checkout@v3
-    - if: ${{ matrix.os == ubuntu-latest }}
+    - if: ${{ matrix.os == 'ubuntu-latest' }}
       uses: awalsh128/cache-apt-pkgs-action@latest
       with:
         packages: libssl-dev pkg-config libasound2-dev