diff --git a/.github/workflows/master.yml b/.github/workflows/master.yml
index bd784e4..2380b5b 100644
--- a/.github/workflows/master.yml
+++ b/.github/workflows/master.yml
@@ -20,9 +20,9 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - run: apt-get update
-      if: ${{ matrix.toolchain == "x86_64-unknown-linux-musl" }}
+      if: ${{ matrix.toolchain == x86_64-unknown-linux-musl }}
     - run: apt-get install -y musl
-      if: ${{ matrix.toolchain == "x86_64-unknown-linux-musl" }}
+      if: ${{ matrix.toolchain == x86_64-unknown-linux-musl }}
     - name: Cache cargo registry
       uses: actions/cache@v1
       with: