diff --git a/helpers/path.go b/helpers/path.go
index 5536241e52a..5e9e72bfdab 100644
--- a/helpers/path.go
+++ b/helpers/path.go
@@ -96,7 +96,7 @@ func UnicodeSanitize(s string) string {
 	target := make([]rune, 0, len(source))
 
 	for _, r := range source {
-		if unicode.IsLetter(r) || unicode.IsDigit(r) || unicode.IsMark(r) || r == '%' || r == '.' || r == '/' || r == '\\' || r == '_' || r == '-' || r == '#' {
+		if unicode.IsLetter(r) || unicode.IsDigit(r) || unicode.IsMark(r) || r == '%' || r == '.' || r == '/' || r == '\\' || r == '_' || r == '-' || r == '#' || r == '+' {
 			target = append(target, r)
 		}
 	}
diff --git a/helpers/path_test.go b/helpers/path_test.go
index 53848b0b59d..ddb1b99c6cf 100644
--- a/helpers/path_test.go
+++ b/helpers/path_test.go
@@ -48,6 +48,7 @@ func TestMakePath(t *testing.T) {
 		// Issue #1488
 		{"संस्कृत", "संस्कृत", false},
 		{"a%C3%B1ame", "a%C3%B1ame", false}, // Issue #1292
+		{"this+is+a+test", "this+is+a+test", false}, // Issue #1290
 	}
 
 	for _, test := range tests {