diff --git a/src-tauri/src/runtime.rs b/src-tauri/src/runtime.rs
index 5dd35b5f..beb9e50b 100644
--- a/src-tauri/src/runtime.rs
+++ b/src-tauri/src/runtime.rs
@@ -90,7 +90,7 @@ impl deno_core::ModuleLoader for TsModuleLoader {
                 | MediaType::Dcts
                 | MediaType::Tsx => (ModuleType::JavaScript, true),
                 MediaType::Json => (ModuleType::Json, false),
-                _ => panic!("Unknown extension {:?}", path),
+                _ => panic!("Unknown extension {:?}", path.extension()),
             };
 
             // Read the file, transpile if necessary.