diff --git a/index.js b/index.js
index b756745..f80947a 100644
--- a/index.js
+++ b/index.js
@@ -20,7 +20,7 @@ async function moggify() {
     const files = await fs.promises.readdir('mogg_input');
 
     for(const file of files) {
-        console.log(file);
+        console.log(`Converting ${file}...`);
 
         const from = path.join('mogg_input', file);
         const tmp = path.join('tmp', path.parse(file).name + '.mogg');
@@ -36,6 +36,30 @@ async function moggify() {
     }
 }
 
+async function findOGG(name) {
+    const files = await fs.promises.readdir('mogg_output');
+    
+    const found = [];
+    
+    for(const file of files) {
+        if (file.toLowerCase().includes(name.toLowerCase())) {
+            found.push(file);
+        }
+    }
+
+    if (found.length === 0) {
+        console.error(`Couldn't find mogg with name "${name}".`);
+        return false;
+    }
+
+    if (found.length > 1) {
+        console.error(`Found more than 1 mogg with name "${name}".`);
+        return false;
+    }
+
+    return found[0];
+}
+
 async function replace() {
     if (process.argv.length !== 4) {
         console.error('Usage: node replace.js <input_mogg_file> <input_game_file>');
@@ -43,15 +67,13 @@ async function replace() {
         return;
     }
     
-    const mogg_file = process.argv[2] + '.mogg';
+    const mogg_file = await findOGG(process.argv[2]);
     const game_file = process.argv[3];
     
-    const mogg_exists = await fileExists(`mogg_output/${mogg_file}`);
     const uexp_exists = await fileExists(`game_input/${game_file}.uexp`);
     const uasset_exists = await fileExists(`game_input/${game_file}.uasset`);
     
-    if (!mogg_exists) {
-        console.error(`Couldn't find the .mogg file '${mogg_file}'.`);
+    if (!mogg_file) {
         return;
     }