diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0ba5902..29a22d4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -73,7 +73,7 @@ jobs:
           cargo test --package bip324 --verbose --no-default-features
           cargo test --package bip324 --verbose --no-default-features --features alloc
       - name: Check No Standard Library Support
-        if: toolchain == 'stable'
+        if: matrix.toolchain == 'stable'
         run: |
           rustup target add --toolchain ${{ matrix.toolchain }} thumbv7m-none-eabi
           cargo install cross --locked