diff --git a/converters/enca/Makefile b/converters/enca/Makefile
index 22ed6f69a4fa..49f06f192802 100644
--- a/converters/enca/Makefile
+++ b/converters/enca/Makefile
@@ -34,7 +34,7 @@ NO_STAGE=	yes
 .include <bsd.port.options.mk>
 
 post-patch::
-.if ${PORT_OPTIONS:MDOCS}
+.if !${PORT_OPTIONS:MDOCS}
 	@${REINPLACE_CMD} -e 's#\ devel-docs##g' ${WRKSRC}/Makefile.in
 .endif
 	@${REINPLACE_CMD} -e 's/$$(LN_S)/$$(LN_S) -f/' ${WRKSRC}/src/Makefile.in