diff --git a/Dockerfile.alpine b/Dockerfile.alpine
index 3e92a58b..bb74051d 100644
--- a/Dockerfile.alpine
+++ b/Dockerfile.alpine
@@ -28,4 +28,5 @@ COPY --from=go-builder /build/docker-gen /usr/local/bin/docker-gen
 # Copy the license
 COPY LICENSE /usr/local/share/doc/docker-gen/
 
-ENTRYPOINT ["/usr/local/bin/docker-gen"]
\ No newline at end of file
+COPY "./container-entrypoint.sh" "/app/container-entrypoint.sh"
+ENTRYPOINT [ "/app/container-entrypoint.sh" ]
diff --git a/Dockerfile.debian b/Dockerfile.debian
index 42cf6356..7cfb29e7 100644
--- a/Dockerfile.debian
+++ b/Dockerfile.debian
@@ -32,4 +32,5 @@ COPY --from=go-builder /build/docker-gen /usr/local/bin/docker-gen
 # Copy the license
 COPY LICENSE /usr/local/share/doc/docker-gen/
 
-ENTRYPOINT ["/usr/local/bin/docker-gen"]
+COPY "./container-entrypoint.sh" "/app/container-entrypoint.sh"
+ENTRYPOINT [ "/app/container-entrypoint.sh" ]
diff --git a/app/container-entrypoint.sh b/app/container-entrypoint.sh
new file mode 100755
index 00000000..e328f22f
--- /dev/null
+++ b/app/container-entrypoint.sh
@@ -0,0 +1,17 @@
+#!/bin/sh
+
+set -eu
+
+bin='docker-gen'
+
+# run command if it is not starting with a "-" and is an executable in PATH
+if [ "${#}" -le 0 ] || \
+   [ "${1#-}" != "${1}" ] || \
+   [ -d "${1}" ] || \
+   ! command -v "${1}" > '/dev/null' 2>&1; then
+	entrypoint='true'
+fi
+
+exec ${entrypoint:+${bin:?}} "${@}"
+
+exit 0