diff --git a/.github/workflows/Windows.yml b/.github/workflows/Windows.yml
index 133a244..19a2f85 100644
--- a/.github/workflows/Windows.yml
+++ b/.github/workflows/Windows.yml
@@ -25,6 +25,9 @@ jobs:
       uses: ruby/setup-ruby@v1
       with:
         ruby-version: ${{ matrix.ruby-version }}
+    - name: Setup ENV
+      run: |
+        echo "CI=false" >> "$GITHUB_ENV"
     - name: Install Gems
       run: bundle install
     - name: Compile and Install Iodine
@@ -32,6 +35,7 @@ jobs:
         echo CFLAGS = $CFLAGS
         echo cflags = $cflags
         echo HOME = $HOME
+        export CI=false
         ruby -e 'puts Gem.default_dir'
         env VERBOSE=1 bundle exec rake install --trace
 #       env VERBOSE=1 bundle exec rspec --format documentation
diff --git a/.github/workflows/posix.yml b/.github/workflows/posix.yml
index fe53f79..ef739a6 100644
--- a/.github/workflows/posix.yml
+++ b/.github/workflows/posix.yml
@@ -25,6 +25,9 @@ jobs:
       uses: ruby/setup-ruby@v1
       with:
         ruby-version: ${{ matrix.ruby-version }}
+    - name: Setup ENV
+      run: |
+        echo "CI=false" >> "$GITHUB_ENV"
     - name: Install Gems
       run: bundle install
     - name: Compile Iodine