diff --git a/.github/workflows/workers-ee.yaml b/.github/workflows/workers-ee.yaml
index 6fecbbbbf..6ee1c071e 100644
--- a/.github/workflows/workers-ee.yaml
+++ b/.github/workflows/workers-ee.yaml
@@ -59,8 +59,9 @@ jobs:
         #
         # Getting the images to build
         #
+        build_param=${${{ github.event.inputs.build_service }}:-'false'}
         set -x
-        case ${{ github.event.inputs.build_service }} in
+        case ${build_param} in
           false)
             {
               git diff --name-only HEAD HEAD~1 | grep -E "backend/cmd|backend/services" | grep -vE ^ee/ | cut -d '/' -f3
diff --git a/.github/workflows/workers.yaml b/.github/workflows/workers.yaml
index a2e094da6..0bcd6fe35 100644
--- a/.github/workflows/workers.yaml
+++ b/.github/workflows/workers.yaml
@@ -59,8 +59,9 @@ jobs:
         #
         # Getting the images to build
         #
+        build_param=${${{ github.event.inputs.build_service }}:-'false'}
         set -x
-        case ${{ github.event.inputs.build_service }} in
+        case ${build_param} in
           false)
             {
               git diff --name-only HEAD HEAD~1 | grep -E "backend/cmd|backend/services" | grep -vE ^ee/ | cut -d '/' -f3