diff --git a/src/util/pattern.rs b/src/util/pattern.rs
index a6527cc..7970092 100644
--- a/src/util/pattern.rs
+++ b/src/util/pattern.rs
@@ -11,7 +11,7 @@ trait Pattern<'a> {
     fn parse(args: Vec<String>) -> Result<Self, ParseError>;
 }
 
-impl TryFrom<Vec<String>> for Box<dyn Pattern> {
+impl<'a> TryFrom<Vec<String>> for Box<dyn Pattern<'a>> {
     fn try_from(s: Vec<String>) -> Result<Self, ParseError> {
         match s[0].as_str() {
             "unit" => Unit::parse(s),
@@ -22,7 +22,7 @@ impl TryFrom<Vec<String>> for Box<dyn Pattern> {
 }
 
 struct Unit;
-impl<'a> Pattern for Unit<'a> {
+impl<'a> Pattern<'a> for Unit {
     fn execute(&self, values: &'a mut [RawColor]) {}
     fn parse(args: Vec<String>) -> Result<Self, ParseError> {
         Ok(Unit {})
@@ -35,7 +35,7 @@ struct Value {
     b: Option<u8>
 }
 
-impl<'a> Pattern for Value<'a> {
+impl<'a> Pattern<'a> for Value {
     fn execute(&self, values: &'a mut [RawColor]) {
         for i in 0..crate::LED_SIZE {
             let color: RawColor = values[i];
@@ -93,7 +93,7 @@ impl<'a> Pattern for Value<'a> {
     }
 }
 
-pub fn parse_line(v: Vec<String>) -> Result<Box<dyn Pattern>, ParseError> {
+pub fn parse_line(v: Vec<String>) -> Result<Box<dyn Pattern<'static>>, ParseError> {
     let res: Result<Box<dyn Pattern>, ParseError> = v.try_into();
     res
 }
\ No newline at end of file