diff --git a/Mk/plugins.mk b/Mk/plugins.mk
index 6cbc59210..6a9b3fc6e 100644
--- a/Mk/plugins.mk
+++ b/Mk/plugins.mk
@@ -270,12 +270,17 @@ sweep: check
 	find ${.CURDIR} -type f -depth 1 -print0 | \
 	    xargs -0 -n1 ${.CURDIR}/../../Scripts/cleanfile
 
+STYLEDIRS?=	src/etc/inc/plugins.inc.d src/opnsense
+
 style: check
 	@: > ${.CURDIR}/.style.out
-	@if [ -d ${.CURDIR}/src ]; then \
-	    (phpcs --standard=${.CURDIR}/../../ruleset.xml \
-	    ${.CURDIR}/src || true) > ${.CURDIR}/.style.out; \
+.for STYLEDIR in ${STYLEDIRS}
+	@if [ -d ${.CURDIR}/${STYLEDIR} ]; then \
+		(phpcs --standard=${.CURDIR}/../../ruleset.xml \
+		    ${.CURDIR}/${STYLEDIR} || true) > \
+		    ${.CURDIR}/.style.out; \
 	fi
+.endfor
 	@echo -n "Total number of style warnings: "
 	@grep '| WARNING' ${.CURDIR}/.style.out | wc -l
 	@echo -n "Total number of style errors:   "
@@ -284,9 +289,11 @@ style: check
 	@rm ${.CURDIR}/.style.out
 
 style-fix: check
-	@if [ -d ${.CURDIR}/src ]; then \
-	    phpcbf --standard=${.CURDIR}/../../ruleset.xml \
-	    ${.CURDIR}/src || true; \
+.for STYLEDIR in ${STYLEDIRS}
+	@if [ -d ${.CURDIR}/${STYLEDIR} ]; then \
+		phpcbf --standard=${.CURDIR}/../../ruleset.xml \
+		    ${.CURDIR}/${STYLEDIR} || true; \
 	fi
+.endfor
 
 .PHONY:	check