diff --git a/.github/workflows/build-gui-release-binaries-cb.yml b/.github/workflows/build-gui-release-binaries-cb.yml
index 927c4930..e987bcb1 100644
--- a/.github/workflows/build-gui-release-binaries-cb.yml
+++ b/.github/workflows/build-gui-release-binaries-cb.yml
@@ -78,10 +78,11 @@ jobs:
             gir1.2-javascriptcoregtk-4.1=2.44.0-2 \
             gir1.2-webkit2-4.1=2.44.0-2;
 
-      - name: work around spurious network errors in curl 8.0
+      - name: Work around spurious network errors in curl 8.0
+        shell: bash
         run: |
           if rustc --version --verbose | grep -q '^release: 1\.79\.'; then
-            echo CARGO_HTTP_MULTIPLEXING=false >> $GITHUB_ENV
+            echo "CARGO_HTTP_MULTIPLEXING=false" >> $GITHUB_ENV
           fi
 
       - name: Install Frontend Dependencies
diff --git a/.github/workflows/build-gui-release-binaries.yml b/.github/workflows/build-gui-release-binaries.yml
index 36154d76..bd9f10cb 100644
--- a/.github/workflows/build-gui-release-binaries.yml
+++ b/.github/workflows/build-gui-release-binaries.yml
@@ -65,9 +65,10 @@ jobs:
             gir1.2-webkit2-4.1=2.44.0-2;
 
       - name: work around spurious network errors in curl 8.0
+        shell: bash
         run: |
           if rustc --version --verbose | grep -q '^release: 1\.79\.'; then
-            echo CARGO_HTTP_MULTIPLEXING=false >> $GITHUB_ENV
+            echo "CARGO_HTTP_MULTIPLEXING=false" >> $GITHUB_ENV
           fi
 
       - name: install frontend dependencies