diff --git a/.github/workflows/install.yml b/.github/workflows/install.yml
index 9e1dff6..199651d 100644
--- a/.github/workflows/install.yml
+++ b/.github/workflows/install.yml
@@ -58,7 +58,7 @@ jobs:
           
 
     runs-on: ${{ matrix.os }}
-    continue-on-error: "${{ matrix.can-fail }}" || false
+    continue-on-error: "'${{ matrix.can-fail }}' || false"
     
     env:
       LISP: ${{ matrix.lisp }}