diff --git a/java/poseidon/Makefile b/java/poseidon/Makefile
index f65786e2c699..aafbe9e9ae35 100644
--- a/java/poseidon/Makefile
+++ b/java/poseidon/Makefile
@@ -6,19 +6,19 @@
 #
 
 PORTNAME=	poseidon
-PORTVERSION=	3.0.1
+PORTVERSION=	3.0.1.03
 CATEGORIES=	java
 MASTER_SITES=	ftp://ftp.gentleware.org/ \
 		http://download.gentleware.org/ \
 		ftp://download.gentleware.biz/ \
 		http://download.gentleware.biz/ \
 		ftp://ftp.beine-computer.de/pub/distfiles/
-DISTNAME=	${PORTNAME}${EDITION}-${PORTVERSION}.01
+DISTNAME=	${PORTNAME}${EDITION}-${PORTVERSION:S/./_/g}
 
 MAINTAINER=	tux@pinguru.net
 COMMENT=	A popular UML CASE tool
 
-WRKSRC=		${WRKDIR}/${PORTNAME}${EDITION}-${PORTVERSION}
+WRKSRC=		${WRKDIR}/${PORTNAME}${EDITION}-3.0.1
 
 USE_ZIP=	yes
 USE_JAVA=	yes
diff --git a/java/poseidon/distinfo b/java/poseidon/distinfo
index 7a48dc761773..fa8f4272e2ca 100644
--- a/java/poseidon/distinfo
+++ b/java/poseidon/distinfo
@@ -1,6 +1,6 @@
-MD5 (poseidonSE-3.0.1.01.zip) = c1954f0058e1759b564c731acfbd6c6f
-SIZE (poseidonSE-3.0.1.01.zip) = 20360744
-MD5 (poseidonPE-3.0.1.01.zip) = 0d85e7b93d4d2f96a23119e63a54c40a
-SIZE (poseidonPE-3.0.1.01.zip) = 21410388
-MD5 (poseidonCE-3.0.1.01.zip) = 1f92eb815d9d815f23f6d18a863b1747
-SIZE (poseidonCE-3.0.1.01.zip) = 20766540
+MD5 (poseidonCE-3_0_1_03.zip) = 379f045fd282076b089686d3919bdbdd
+SIZE (poseidonCE-3_0_1_03.zip) = 20766367
+MD5 (poseidonSE-3_0_1_03.zip) = 49bd6ab2acea51c9a3b8379ea1d51f98
+SIZE (poseidonSE-3_0_1_03.zip) = 20360777
+MD5 (poseidonPE-3_0_1_03.zip) = 80aff6384502e73833b940fd8fb950ff
+SIZE (poseidonPE-3_0_1_03.zip) = 21410521