diff --git a/Dockerfile.crf b/Dockerfile.crf
index 3f550734a2..3f92b771e2 100644
--- a/Dockerfile.crf
+++ b/Dockerfile.crf
@@ -80,7 +80,7 @@ WORKDIR /opt/grobid
 
 COPY --from=builder /opt/grobid .
 
-RUN if [ "$TARGETARCH" = "arm64" ]; then \
+RUN if [ "$TARGETARCH" = "linux/arm64" ]; then \
         export PROCESS_MECHANISM="-Djdk.lang.Process.launchMechanism=vfork "; \
     else \
         export PROCESS_MECHANISM=""; \