diff --git a/src/bin/ion/commands/beta/mod.rs b/src/bin/ion/commands/beta/mod.rs
index 8407468..d1b5284 100644
--- a/src/bin/ion/commands/beta/mod.rs
+++ b/src/bin/ion/commands/beta/mod.rs
@@ -39,7 +39,7 @@ pub fn run(_command_name: &str, matches: &ArgMatches<'static>) -> Result<()> {
             "The requested beta command ('{}') is not supported and clap did not generate an error message.",
             command_name
         );
-        unreachable!(message);
+        unreachable!("{}", message);
     }
     Ok(())
 }
diff --git a/src/bin/ion/commands/beta/schema/mod.rs b/src/bin/ion/commands/beta/schema/mod.rs
index daa8cf1..c87a406 100644
--- a/src/bin/ion/commands/beta/schema/mod.rs
+++ b/src/bin/ion/commands/beta/schema/mod.rs
@@ -35,7 +35,7 @@ pub fn run(_command_name: &str, matches: &ArgMatches<'static>) -> Result<()> {
             "The requested schema command ('{}') is not supported and clap did not generate an error message.",
             command_name
         );
-        unreachable!(message);
+        unreachable!("{}", message);
     }
     Ok(())
 }
@@ -46,4 +46,4 @@ pub fn app() -> CommandConfig {
             "The 'schema' command is a namespace for commands that are related to schema sandbox",
         )
         .subcommands(schema_subcommands())
-}
\ No newline at end of file
+}
diff --git a/src/bin/ion/main.rs b/src/bin/ion/main.rs
index 738c1ba..96a6d61 100644
--- a/src/bin/ion/main.rs
+++ b/src/bin/ion/main.rs
@@ -29,7 +29,7 @@ fn main() -> Result<()> {
             "The requested command ('{}') is not supported and clap did not generate an error message.",
             command_name
         );
-        unreachable!(message);
+        unreachable!("{}", message);
     }
     Ok(())
 }