diff --git a/java/linux-sun-jdk15/Makefile b/java/linux-sun-jdk15/Makefile
index 830e17fd6995..cee762130cd5 100644
--- a/java/linux-sun-jdk15/Makefile
+++ b/java/linux-sun-jdk15/Makefile
@@ -40,10 +40,12 @@ APP_HOME=	${PREFIX}/${PKGNAMEPREFIX}${PORTNAME}${JDK_VERSION}
 PACKED_JARS=	lib/tools.jar jre/lib/rt.jar jre/lib/jsse.jar jre/lib/charsets.jar jre/lib/ext/localedata.jar jre/lib/plugin.jar jre/javaws/javaws.jar
 UNPACK_CMD=	${APP_HOME}/bin/unpack200
 
-IGNORE=		does not run (core dumps: Bad System Call)
-
 .include <bsd.port.pre.mk>
 
+.if ${OSVERSION} < 504000
+IGNORE=		does not run (core dumps: Bad System Call)
+.endif
+
 .if !exists(${DISTDIR}/${DISTNAME}${EXTRACT_SUFX}) && !defined(PACKAGE_BUILDING)
 IGNORE?=You must manually fetch the J2SE SDK self-extracting file for the Linux platform (${DISTNAME}${EXTRACT_SUFX}) from ${DOWNLOAD_URL}, place it in ${DISTDIR} and then run make again
 .endif
diff --git a/java/linux-sun-jdk16/Makefile b/java/linux-sun-jdk16/Makefile
index 830e17fd6995..cee762130cd5 100644
--- a/java/linux-sun-jdk16/Makefile
+++ b/java/linux-sun-jdk16/Makefile
@@ -40,10 +40,12 @@ APP_HOME=	${PREFIX}/${PKGNAMEPREFIX}${PORTNAME}${JDK_VERSION}
 PACKED_JARS=	lib/tools.jar jre/lib/rt.jar jre/lib/jsse.jar jre/lib/charsets.jar jre/lib/ext/localedata.jar jre/lib/plugin.jar jre/javaws/javaws.jar
 UNPACK_CMD=	${APP_HOME}/bin/unpack200
 
-IGNORE=		does not run (core dumps: Bad System Call)
-
 .include <bsd.port.pre.mk>
 
+.if ${OSVERSION} < 504000
+IGNORE=		does not run (core dumps: Bad System Call)
+.endif
+
 .if !exists(${DISTDIR}/${DISTNAME}${EXTRACT_SUFX}) && !defined(PACKAGE_BUILDING)
 IGNORE?=You must manually fetch the J2SE SDK self-extracting file for the Linux platform (${DISTNAME}${EXTRACT_SUFX}) from ${DOWNLOAD_URL}, place it in ${DISTDIR} and then run make again
 .endif