diff --git a/.github/workflows/reusable-windows-ci.yml b/.github/workflows/reusable-windows-ci.yml
index ff916f5b293..a9520351561 100644
--- a/.github/workflows/reusable-windows-ci.yml
+++ b/.github/workflows/reusable-windows-ci.yml
@@ -46,7 +46,7 @@ jobs:
         with:
           path: src/fastrtps
           submodules: true
-          ref: ${{ inputs.fastdds-branch }}
+          ref: ${{ inputs.fastdds_branch }}
 
       - name: Get minimum supported version of CMake
         uses: lukka/get-cmake@latest
diff --git a/.github/workflows/ubuntu-ci.yml b/.github/workflows/ubuntu-ci.yml
index 40f56ebe029..4f2dd0be641 100644
--- a/.github/workflows/ubuntu-ci.yml
+++ b/.github/workflows/ubuntu-ci.yml
@@ -42,6 +42,6 @@ jobs:
       os-image: ${{ matrix.os-image }}
       label: ${{ inputs.label || 'ubuntu-ci' }}
       colcon-args: ${{ inputs.colcon-args }}
-      cmake-args: ${{ inputs.cmake-args || "-DSECURITY=ON" }}
-      ctest-args: ${{ inputs.ctest-args || "-LE xfail" }}
+      cmake-args: ${{ inputs.cmake-args || '-DSECURITY=ON' }}
+      ctest-args: ${{ inputs.ctest-args || '-LE xfail' }}
       fastdds-branch: ${{ inputs.fastdds_branch || github.ref || 'master' }}