diff --git a/src/upload_csv.html b/src/upload_csv.html
index 5a7793fbaf8071d661cf6f9f92b6aa7ec4337353..428a7b667c5c0f33433f67ae363c1abac133a79b 100644
--- a/src/upload_csv.html
+++ b/src/upload_csv.html
@@ -178,8 +178,10 @@
                     }
                     
                     for (let i = 0; i < expectedHeaders.length; i++) {
-                        if (headers[i] !== expectedHeaders[i]) {
+                        if (headers[i].trim() !== expectedHeaders[i]) {
                             reject(new Error(`The header at position ${i+1} does not match the expected header.`));
+                            console.log(headers[i]);
+                            console.log(expectedHeaders[i]);
                         }
                     }