diff --git a/.github/workflows/interactive.yaml b/.github/workflows/interactive.yaml
index 4b72f51e..3f403cbd 100644
--- a/.github/workflows/interactive.yaml
+++ b/.github/workflows/interactive.yaml
@@ -83,7 +83,7 @@ jobs:
         sudo mkdir -p /etc/ros/rosdep/sources.list.d
         echo "yaml https://ros.packages.techfak.net/ros-one.yaml ${{ inputs.DEB_DISTRO || vars.DEB_DISTRO || '' }}" | sudo tee /etc/ros/rosdep/sources.list.d/1-ros-one.list
       EXTRA_DEB_SOURCES: "${{ inputs.CONTINUE_BUILD && \
-          format('deb [signed-by=/etc/apt/keyrings/ros-one-keyring.gpg] https://ros.packages.techfak.net {0} main', \
+          format('deb [signed-by=/etc/apt/keyrings/ros-one-keyring.gpg] https://ros.packages.techfak.net {0}-build main', \
                  inputs.DEB_DISTRO || vars.DEB_DISTRO) || '' }}"
       COLCON_PKG_SELECTION: ${{ inputs.COLCON_PKG_SELECTION || vars.COLCON_PKG_SELECTION || '' }}
       # proceed from existing debs artifact if run_attempt > 1