diff --git a/src/config.ts b/src/config.ts
index 1ebdd8e..88815c9 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -3,7 +3,9 @@ import fs from "fs";
 
 // Source Directory
 const svgsDir = path.resolve(__dirname, "svg");
-const svgs = fs.readdirSync(svgsDir);
+const svgs = fs
+  .readdirSync(svgsDir)
+  .filter((file) => path.extname(file) === ".svg");
 
 // Out Directory
 const bitmapsDir = path.resolve(process.cwd(), "bitmaps");