diff --git ports-mgmt/portlint/src/portlint.pl ports-mgmt/portlint/src/portlint.pl
index 3081ac345bb5..dcd662db47a3 100644
--- ports-mgmt/portlint/src/portlint.pl
+++ ports-mgmt/portlint/src/portlint.pl
@@ -307,6 +307,8 @@ foreach my $i (@checker) {
 	}
 }
 
+checkpatches(<$makevar{FILESDIR}/patch-*>);
+
 if ($committer) {
 	sub find_proc {
 		return if /^\.\.?$/;
@@ -1035,6 +1037,26 @@ sub checklastline {
 	close(IN);
 }
 
+sub checkpatches {
+	my (@patchfiles) = @_;
+	my @patched_files;
+	foreach my $file (@patchfiles) {
+		open(IN, "< $file") || return 0;
+		while (<IN>) {
+			if ($_ =~ /^\+\+\+\s(.*?)\s.*/) {
+				#if($1 ~~ @patched_files) {
+				if (grep {$_ eq $1} @patched_files) {
+					&perror("WARN", $file, -1, "$1 patched multiple times");
+				}
+				else {
+					push(@patched_files, $1);
+				}
+
+			}
+		}
+	}
+}
+
 sub checkpatch {
 	my($file) = @_;
 	my($whole);