diff --git a/src/util/pattern.rs b/src/util/pattern.rs
index ec06c1d..df0dd48 100644
--- a/src/util/pattern.rs
+++ b/src/util/pattern.rs
@@ -25,7 +25,7 @@ impl<'a> TryFrom<Vec<String>> for Box<dyn Pattern<'a>> {
 
 struct Unit;
 impl<'a> Pattern<'a> for Unit {
-    fn execute(&self, values: &'a mut RwLockWriteGuard<'_, [RawColor]>) {}
+    fn execute(&self, values: &'a mut RwLockWriteGuard<'_, [RawColor]>)) {}
     fn parse(args: Vec<String>) -> Result<Self, ParseError> {
         Ok(Unit {})
     }
@@ -38,7 +38,7 @@ struct Value {
 }
 
 impl<'a> Pattern<'a> for Value {
-    fn execute(&self, values: &'a mut RwLockWriteGuard<'_, [RawColor]>) {
+    fn execute(&self, values: &'a mut RwLockWriteGuard<'_, [RawColor]>)) {
         for i in 0..crate::LED_SIZE {
             let color: RawColor = *values[i];
             if self.r.is_some() {