diff --git a/src/language.rs b/src/language.rs
index 84b4c13..06a94b1 100644
--- a/src/language.rs
+++ b/src/language.rs
@@ -99,6 +99,7 @@ impl TraceArtifact {
 pub trait ProgrammingLanguageInterface {
   fn evaluate_in_repl(&mut self, input: &str, eval_options: &EvalOptions) -> ReplOutput;
   fn get_language_name(&self) -> String;
+  fn get_source_file_suffix(&self) -> String;
   fn compile(&mut self, _input: &str) -> LLVMCodeString {
     LLVMCodeString("".to_string())
   }
diff --git a/src/maaru_lang/mod.rs b/src/maaru_lang/mod.rs
index 178f0ae..4ab810d 100644
--- a/src/maaru_lang/mod.rs
+++ b/src/maaru_lang/mod.rs
@@ -23,6 +23,9 @@ impl<'a> ProgrammingLanguageInterface for Maaru<'a> {
   fn get_language_name(&self) -> String {
     "Maaru".to_string()
   }
+  fn get_source_file_suffix(&self) -> String {
+    format!("maaru")
+  }
 
   fn evaluate_in_repl(&mut self, input: &str, options: &EvalOptions) -> ReplOutput {
     let mut output = ReplOutput::default();
diff --git a/src/robo_lang/mod.rs b/src/robo_lang/mod.rs
index 76a0043..1092155 100644
--- a/src/robo_lang/mod.rs
+++ b/src/robo_lang/mod.rs
@@ -136,6 +136,10 @@ impl ProgrammingLanguageInterface for Robo {
     "Robo".to_string()
   }
 
+  fn get_source_file_suffix(&self) -> String {
+    format!("robo")
+  }
+
   fn evaluate_in_repl(&mut self, input: &str, _eval_options: &EvalOptions) -> ReplOutput {
     let mut output = ReplOutput::default();
     let tokens = match tokenize(input) {
diff --git a/src/schala_lang/mod.rs b/src/schala_lang/mod.rs
index 7a24cb8..8410284 100644
--- a/src/schala_lang/mod.rs
+++ b/src/schala_lang/mod.rs
@@ -23,6 +23,10 @@ impl ProgrammingLanguageInterface for Schala {
     "Schala".to_string()
   }
 
+  fn get_source_file_suffix(&self) -> String {
+    format!("schala")
+  }
+
   fn evaluate_in_repl(&mut self, input: &str, options: &EvalOptions) -> ReplOutput {
     let mut output = ReplOutput::default();
     let tokens = parsing::tokenize(input);