diff --git a/math/p5-Data-Float/Makefile b/math/p5-Data-Float/Makefile
index 61ea3cc615fd..3fb8a5a32fe3 100644
--- a/math/p5-Data-Float/Makefile
+++ b/math/p5-Data-Float/Makefile
@@ -19,4 +19,10 @@ PERL_CONFIGURE=	yes
 
 MAN3=	Data::Float.3
 
-.include <bsd.port.mk>
+.include <bsd.port.pre.mk>
+
+.if ${PERL_LEVEL} < 500600
+IGNORE=	requires Perl 5.6.0 or newer. Install lang/perl5.8 and try again
+.endif
+
+.include <bsd.port.post.mk>