--- a/sysutils/arcconf/Makefile
+++ b/sysutils/arcconf/Makefile
@@ -26,7 +26,7 @@ SUB_FILES+=   ${PERIODICSCRIPT}
 PERIODICSCRIPT=        410.status-aac-raid

 .include <bsd.port.pre.mk>
-.if ${OSREL:R} >= 12
+.if ${OSREL:R} > 12
 DIST_TYPE=     12_x64
 RUN_DEPENDS+=  ${LOCALBASE}/lib/compat/libncurses.so.8:misc/compat12x
 .else