diff --git a/net-im/kmerlin/Makefile b/net-im/kmerlin/Makefile
index ff6233c1bcf1..343e953bae21 100644
--- a/net-im/kmerlin/Makefile
+++ b/net-im/kmerlin/Makefile
@@ -32,5 +32,6 @@ post-patch:
 	@${RM} ${WRKSRC}/src/login.h ${WRKSRC}/src/login.cpp
 	@${REINPLACE_CMD} -e 's|-O2||g; s|-lpthread|${PTHREAD_LIBS}|g' \
 		${WRKSRC}/${CONFIGURE_SCRIPT}
+	@${REINPLACE_CMD} -e 's|;;|;|g;' ${WRKSRC}/src/kmerlindock.h
 
 .include <bsd.port.mk>
diff --git a/net/kmerlin/Makefile b/net/kmerlin/Makefile
index ff6233c1bcf1..343e953bae21 100644
--- a/net/kmerlin/Makefile
+++ b/net/kmerlin/Makefile
@@ -32,5 +32,6 @@ post-patch:
 	@${RM} ${WRKSRC}/src/login.h ${WRKSRC}/src/login.cpp
 	@${REINPLACE_CMD} -e 's|-O2||g; s|-lpthread|${PTHREAD_LIBS}|g' \
 		${WRKSRC}/${CONFIGURE_SCRIPT}
+	@${REINPLACE_CMD} -e 's|;;|;|g;' ${WRKSRC}/src/kmerlindock.h
 
 .include <bsd.port.mk>