diff --git a/.github/workflows/python-app.yml b/.github/workflows/python-app.yml
index 664b904..7bf067d 100644
--- a/.github/workflows/python-app.yml
+++ b/.github/workflows/python-app.yml
@@ -39,9 +39,9 @@ jobs:
       - name: Get Graphviz
         working-directory: ..
         run: |
-          wget -nv https://gitlab.com/api/v4/projects/4207231/packages/generic/graphviz-releases/${{ env.graphviz-version }}/graphviz-${{ env.graphviz-version }}.tar.gz
+          wget -nv "https://gitlab.com/api/v4/projects/4207231/packages/generic/graphviz-releases/${{ env.graphviz-version }}/graphviz-${{ env.graphviz-version }}.tar.gz"
           graphviz_12_sha256="242bc18942eebda6db4039f108f387ec97856fc91ba47f21e89341c34b554df8  graphviz-${{ env.graphviz-version }}.tar.gz"
-          if [[ "$(sha256sum graphviz-${{ env.graphviz-version }}.tar.gz)" != "$(graphviz_12_sha256" ]]; then
+          if [[ "$(sha256sum graphviz-${{ env.graphviz-version }}.tar.gz)" != "$graphviz_12_sha256" ]]; then
             echo "The file is corrupted, calculated_hash: $calculated_hash"
             exit 1
           fi