diff --git lang/perl5-devel/Makefile lang/perl5-devel/Makefile
index 3354185..7177146 100644
--- lang/perl5-devel/Makefile
+++ lang/perl5-devel/Makefile
@@ -271,6 +271,12 @@ post-patch-PTHREAD-off:
 	${REINPLACE_CMD} -e 's|%%PTHREAD_LIBS%%||g;' \
 		${WRKSRC}/hints/freebsd.sh
 
+.if ${CC} == /nxb-bin/usr/bin/cc
+post-build:
+	@${REINPLACE_CMDNPLACE_CMD} -e 's=/nxb-bin==' \
+		${WRKSRC}/lib/Config.pm ${WRKSRC}/libperlb/Config_heavy.pl
+.endif
+
 post-install:
 	${MKDIR} ${STAGEDIR}${SITE_MAN1} ${STAGEDIR}${SITE_MAN3}
 	${MKDIR} ${STAGEDIR}${SITE_ARCH}/auto
diff --git lang/perl5.18/Makefile lang/perl5.18/Makefile
index b820585..f416490 100644
--- lang/perl5.18/Makefile
+++ lang/perl5.18/Makefile
@@ -238,6 +238,12 @@ post-patch-PTHREAD-off:
 		${WRKSRC}/hints/freebsd.sh
 .endif
 
+.if ${CC} == /nxb-bin/usr/bin/cc
+post-build:
+	@${REINPLACE_CMDNPLACE_CMD} -e 's=/nxb-bin==' \
+		${WRKSRC}/lib/Config.pm ${WRKSRC}/libperlb/Config_heavy.pl
+.endif
+
 post-install:
 	${MKDIR} ${STAGEDIR}${SITE_MAN1} ${STAGEDIR}${SITE_MAN3}
 	${MKDIR} ${STAGEDIR}${SITE_ARCH}/auto
diff --git lang/perl5.20/Makefile lang/perl5.20/Makefile
index 8ab796d..53f40cd 100644
--- lang/perl5.20/Makefile
+++ lang/perl5.20/Makefile
@@ -233,6 +233,12 @@ post-patch-PTHREAD-off:
 		${WRKSRC}/hints/freebsd.sh
 .endif
 
+.if ${CC} == /nxb-bin/usr/bin/cc
+post-build:
+	@${REINPLACE_CMDNPLACE_CMD} -e 's=/nxb-bin==' \
+		${WRKSRC}/lib/Config.pm ${WRKSRC}/libperlb/Config_heavy.pl
+.endif
+
 post-install:
 	${MKDIR} ${STAGEDIR}${SITE_MAN1} ${STAGEDIR}${SITE_MAN3}
 	${MKDIR} ${STAGEDIR}${SITE_ARCH}/auto
diff --git lang/perl5.22/Makefile lang/perl5.22/Makefile
index 6c03335..1d33175 100644
--- lang/perl5.22/Makefile
+++ lang/perl5.22/Makefile
@@ -231,6 +231,12 @@ post-patch-PTHREAD-off:
 		${WRKSRC}/hints/freebsd.sh
 .endif
 
+.if ${CC} == /nxb-bin/usr/bin/cc
+post-build:
+	@${REINPLACE_CMDNPLACE_CMD} -e 's=/nxb-bin==' \
+		${WRKSRC}/lib/Config.pm ${WRKSRC}/libperlb/Config_heavy.pl
+.endif
+
 post-install:
 	${MKDIR} ${STAGEDIR}${SITE_MAN1} ${STAGEDIR}${SITE_MAN3}
 	${MKDIR} ${STAGEDIR}${SITE_ARCH}/auto