diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index a2d4caaf..782d4ad4 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -59,7 +59,7 @@ jobs:
     - name: Install openssl (apt armv7)
       if: ${{ matrix.os == 'ubuntu-latest' && matrix.target == 'armv7-unknown-linux-gnueabihf' }}
       run: |
-        sudo dpkg add-architecture armhf
+        sudo dpkg --add-architecture armhf
         sudo apt update
         sudo apt install openssl-dev:armhf