diff --git a/.github/workflows/github-ci.yaml b/.github/workflows/github-ci.yaml
index 2e5a6f86bd..118b3f52ef 100644
--- a/.github/workflows/github-ci.yaml
+++ b/.github/workflows/github-ci.yaml
@@ -52,7 +52,7 @@ jobs:
     - name: Remove cryptodome
       run: |
         pip uninstall pycryptodome -y
-      if: matrix.use-cryptodome == false
+      if: matrix.use-cryptodome == "false"
     - name: Install PyPDF2
       run: |
         pip install .