diff --git a/src/rule/mod.rs b/src/rule/mod.rs
index 211f88d..229ae25 100644
--- a/src/rule/mod.rs
+++ b/src/rule/mod.rs
@@ -156,7 +156,7 @@ impl TryCopyTo<ffi::pfvar::pf_rule> for FilterRule {
         self.to.try_copy_to(&mut pf_rule.dst)?;
         self.label
             .try_copy_to(&mut pf_rule.label)
-            .map_err(|reason| ErrorInternal::InvalidLabel(reason))?;
+            .map_err(ErrorInternal::InvalidLabel)?;
         self.user.copy_to(&mut pf_rule.uid);
         self.group.copy_to(&mut pf_rule.gid);
         if let Some(icmp_type) = self.icmp_type {
@@ -235,7 +235,7 @@ impl TryCopyTo<ffi::pfvar::pf_rule> for RedirectRule {
         self.to.try_copy_to(&mut pf_rule.dst)?;
         self.label
             .try_copy_to(&mut pf_rule.label)
-            .map_err(|reason| ErrorInternal::InvalidLabel(reason))?;
+            .map_err(ErrorInternal::InvalidLabel)?;
         self.user.copy_to(&mut pf_rule.uid);
         self.group.copy_to(&mut pf_rule.gid);