diff --git a/Workers/Resgrid.TrackerGateway/Dockerfile b/Workers/Resgrid.TrackerGateway/Dockerfile
index 286b7a92..e4125062 100644
--- a/Workers/Resgrid.TrackerGateway/Dockerfile
+++ b/Workers/Resgrid.TrackerGateway/Dockerfile
@@ -50,7 +50,8 @@ ADD --checksum=sha256:2241be671073520e028b2f12df1e9ef0419014cffb5670b7a80b208080
 # LocalXpose CLI (https://localxpose.io) used to expose the TCP/UDP ingest ports; checksum tracks the current linux/amd64 artifact.
 ADD --checksum=sha256:b13e6914288e6c7d66744578e68b4eeacab5d629cd8fe3fb13863665d0a1ac95 https://api.localxpose.io/api/downloads/loclx-linux-amd64.zip /tmp/loclx.zip
 RUN DEBIAN_FRONTEND=noninteractive apt-get update \
-    && apt-get install -y --no-install-recommends unzip \
+    && apt-get install -y --reinstall --no-install-recommends dash unzip \
+    && test -f /usr/bin/dash \
     && unzip /tmp/loclx.zip -d /app/publish \
     && rm -f /tmp/loclx.zip \
     && rm -rf /var/lib/apt/lists/* \