diff --git a/Dockerfile b/Dockerfile
index 6783995..47d457e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -79,6 +79,7 @@ RUN if [ "$(uname -m)" = "x86_64" ]; then \
 		&& sed -i 's/Signal-Android\/5.22.3/Signal-Android\/5.51.7/g' src/main/java/org/asamk/signal/BaseConfig.java \
 		&& ./gradlew build \
 		&& ./gradlew installDist \
+		&& ls build/install/signal-cli/lib/libsignal-client-${LIBSIGNAL_CLIENT_VERSION}.jar || (echo "\n\nsignal-client jar file with version ${LIBSIGNAL_CLIENT_VERSION} not found. Maybe the version needs to be bumped in the signal-cli-rest-api Dockerfile?\n\n" && echo "Available version: \n" && ls build/install/signal-cli/lib/libsignal-client-* && echo "\n\n" && exit 1) \
 		&& cd /tmp \
 		&& cp signal-cli-${SIGNAL_CLI_VERSION}-source/build/install/signal-cli/lib/libsignal-client-${LIBSIGNAL_CLIENT_VERSION}.jar libsignal-client.jar \
 		&& zip -qu libsignal-client.jar libsignal_jni.so \