diff --git a/compiler/src/macro_/format.rs b/compiler/src/macro_/format.rs
index f5d8292ffd..cc872f5b57 100644
--- a/compiler/src/macro_/format.rs
+++ b/compiler/src/macro_/format.rs
@@ -1,4 +1,4 @@
-//! Evaluates a macro in a compiled Leo program.
+//! Evaluates a formatted string in a compiled Leo program.
 
 use crate::{errors::MacroError, program::ConstrainedProgram, GroupType};
 use leo_types::FormattedString;
diff --git a/compiler/tests/macros/mod.rs b/compiler/tests/macros/mod.rs
index 0c85720fa8..7d14bfebdf 100644
--- a/compiler/tests/macros/mod.rs
+++ b/compiler/tests/macros/mod.rs
@@ -32,6 +32,14 @@ fn test_print_parameter_many() {
     let _output = get_output(program);
 }
 
+#[test]
+fn test_print_parameter_fail_unknown() {
+    let bytes = include_bytes!("print_parameter_fail_unknown.leo");
+    let program = parse_program(bytes).unwrap();
+
+    let _err = get_error(program);
+}
+
 #[test]
 fn test_print_parameter_fail_empty() {
     let bytes = include_bytes!("print_parameter_fail_empty.leo");
diff --git a/compiler/tests/macros/print_parameter_fail_unknown.leo b/compiler/tests/macros/print_parameter_fail_unknown.leo
new file mode 100644
index 0000000000..b6f1bb5a8c
--- /dev/null
+++ b/compiler/tests/macros/print_parameter_fail_unknown.leo
@@ -0,0 +1,3 @@
+function main() {
+    print!("{}", a);
+}
\ No newline at end of file