diff --git a/Mk/plugins.mk b/Mk/plugins.mk
index 01a35264c..d1cb1e7e6 100644
--- a/Mk/plugins.mk
+++ b/Mk/plugins.mk
@@ -284,7 +284,7 @@ lint-desc: check
 
 lint-shell:
 	@for FILE in $$(find ${.CURDIR}/src -name "*.sh" -type f); do \
-	    if [ "$$(head $${FILE} | grep -c '^#!\/bin\/sh$$')" == "0" ]; then \
+	    if [ "$$(head $${FILE} | grep -cx '#!\/bin\/sh')" == "0" ]; then \
 	        echo "Missing shebang in $${FILE}"; exit 1; \
 	    fi; \
 	    sh -n $${FILE} || exit 1; \