diff --git a/databases/postgis31/Makefile b/databases/postgis31/Makefile
--- a/databases/postgis31/Makefile
+++ b/databases/postgis31/Makefile
@@ -67,6 +67,10 @@
 
 .include <bsd.port.pre.mk>
 
+.if ${PGSQL_VER} >= 15
+IGNORE=		Only supported up to pgsql 14
+.endif
+
 .if ${CHOSEN_COMPILER_TYPE} == gcc
 post-patch:
 	${REINPLACE_CMD} -e '/^#pragma GCC diagnostic/d' \