diff --git a/clap-utils/src/keypair.rs b/clap-utils/src/keypair.rs
index dd0c29a2e7..58e00165df 100644
--- a/clap-utils/src/keypair.rs
+++ b/clap-utils/src/keypair.rs
@@ -455,7 +455,7 @@ pub(crate) fn parse_signer_source<S: AsRef<str>>(
                     break;
                 }
             }
-            source.replace("\\", "/")
+            source.replace('\\', "/")
         }
         #[cfg(not(target_family = "windows"))]
         {
diff --git a/clap-v3-utils/src/keypair.rs b/clap-v3-utils/src/keypair.rs
index 8fe6043711..bd7c42d4d9 100644
--- a/clap-v3-utils/src/keypair.rs
+++ b/clap-v3-utils/src/keypair.rs
@@ -455,7 +455,7 @@ pub(crate) fn parse_signer_source<S: AsRef<str>>(
                     break;
                 }
             }
-            source.replace("\\", "/")
+            source.replace('\\', "/")
         }
         #[cfg(not(target_family = "windows"))]
         {