diff --git a/.github/workflows/windows-6.x-xapian.yml b/.github/workflows/windows-6.x-xapian.yml
index d5a917ba..776353b1 100644
--- a/.github/workflows/windows-6.x-xapian.yml
+++ b/.github/workflows/windows-6.x-xapian.yml
@@ -53,6 +53,7 @@ jobs:
 
       - name: changelog
         id: changelog
+        shell: bash
         run: |   
           previousTag=$(git tag --sort=-creatordate | sed -n 2p)
           echo "previousTag : $previousTag"
diff --git a/.github/workflows/windows-6.x.yml b/.github/workflows/windows-6.x.yml
index fa1c44aa..256c9fc5 100644
--- a/.github/workflows/windows-6.x.yml
+++ b/.github/workflows/windows-6.x.yml
@@ -63,6 +63,7 @@ jobs:
           echo "::set-output name=release_hm::$(date +'%y%m%d')"  
 
       - name: changelog
+        shell: bash
         id: changelog
         run: |   
           previousTag=$(git tag --sort=-creatordate | sed -n 2p)
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 02252ecf..52ed92f8 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -56,6 +56,7 @@ jobs:
 
       - name: changelog
         id: changelog
+        shell: bash
         run: |   
           previousTag=$(git tag --sort=-creatordate | sed -n 2p)
           echo "previousTag : $previousTag"