diff --git a/src/scripts/pnginfo.ts b/src/scripts/pnginfo.ts
index 9ec8ec5a0..3c8e84931 100644
--- a/src/scripts/pnginfo.ts
+++ b/src/scripts/pnginfo.ts
@@ -14,7 +14,7 @@ export function getFlacMetadata(file: File): Promise<Record<string, string>> {
 
 function parseExifData(exifData) {
   // Check for the correct TIFF header (0x4949 for little-endian or 0x4D4D for big-endian)
-  const isLittleEndian = new Uint16Array(exifData.slice(0, 2))[0] === 0x4949;
+  const isLittleEndian = String.fromCharCode(...exifData.slice(0, 2)) === "II";
 
   // Function to read 16-bit and 32-bit integers from binary data
   function readInt(offset, isLittleEndian, length) {
@@ -117,6 +117,7 @@ export function getWebpMetadata(file) {
             let index = value.indexOf(":");
             txt_chunks[value.slice(0, index)] = value.slice(index + 1);
           }
+          break;
         }
 
         offset += 8 + chunk_length;