diff --git a/build/Dockerfile b/build/Dockerfile
index aa3166a..460f7ed 100644
--- a/build/Dockerfile
+++ b/build/Dockerfile
@@ -8,14 +8,21 @@ COPY src ./src
 # Installiere notwendige Tools
 RUN apt-get update && apt-get install -y musl-tools
 
-# Erstelle den Build für beide Architekturen (amd64 und aarch64)
+# Setze das Target Triple basierend auf der Architektur
 ARG TARGETARCH
+ENV RUST_TARGET_TRIPLE=${TARGETARCH}
 
-RUN rustup target add ${TARGETARCH}-unknown-linux-musl && \
-    cargo build --release --target ${TARGETARCH}-unknown-linux-musl
+# Mapping der Architektur zu den korrekten Rust Triple
+RUN if [ "$TARGETARCH" = "amd64" ]; then \
+        export RUST_TARGET_TRIPLE=x86_64-unknown-linux-musl; \
+    elif [ "$TARGETARCH" = "arm64" ]; then \
+        export RUST_TARGET_TRIPLE=aarch64-unknown-linux-musl; \
+    fi && \
+    rustup target add ${RUST_TARGET_TRIPLE} && \
+    cargo build --release --target ${RUST_TARGET_TRIPLE}
 
 # Der finale Stage, der das Ergebnis des Builds verwendet
 FROM scratch
-COPY --from=builder /app/target/${TARGETARCH}-unknown-linux-musl/release/cronjoblistener /app/cronjoblistener
+COPY --from=builder /app/target/${RUST_TARGET_TRIPLE}/release/cronjoblistener /app/cronjoblistener
 
 ENTRYPOINT ["/app/cronjoblistener"]
\ No newline at end of file