diff --git a/.github/workflows/components.yaml b/.github/workflows/components.yaml
index 49f6ed440..0a5e418ab 100644
--- a/.github/workflows/components.yaml
+++ b/.github/workflows/components.yaml
@@ -89,12 +89,17 @@ jobs:
       - name: CTF
         run: |
           cd components/${{ matrix.component }}
-          PATH=$PATH:$(go env GOPATH)/bin \
-          CTF_TYPE=${{ env.CTF_TYPE }} \
-          EFFECTIVE_VERSION=${{ inputs.effective-version }} \
-          PLATFORMS=${{ env.PLATFORMS }} \
-          IMAGE_PLATFORMS=${{ env.IMAGE_PLATFORMS }} \
-          make ctf descriptor describe
+          ARGS="PATH=$PATH:$(go env GOPATH)/bin CTF_TYPE=${{ env.CTF_TYPE }}"
+          if [ -n "${{ inputs.effective-version }}" ]; then
+            ARGS="$ARGS EFFECTIVE_VERSION=${{ inputs.effective-version }}"
+          fi
+          if [ -n "${{ env.PLATFORMS }}" ]; then
+            ARGS="$ARGS PLATFORMS=${{ env.PLATFORMS }}"
+          fi
+          if [ -n "${{ env.IMAGE_PLATFORMS }}" ]; then
+            ARGS="$ARGS IMAGE_PLATFORMS=${{ env.IMAGE_PLATFORMS }}"
+          fi
+          $ARGS make ctf descriptor describe
       - name: Upload CTF
         uses: actions/upload-artifact@v4
         with: