diff --git a/launcher/meta/BaseEntity.cpp b/launcher/meta/BaseEntity.cpp
index d638fd8b9..1869e14d3 100644
--- a/launcher/meta/BaseEntity.cpp
+++ b/launcher/meta/BaseEntity.cpp
@@ -127,9 +127,11 @@ void BaseEntityLoadTask::executeTask()
             }
 
             // on online the hash needs to match
-            hashMatches = m_entity->m_sha256 == m_entity->m_file_sha256;
+            const auto& expected = m_entity->m_sha256;
+            const auto& actual = m_entity->m_file_sha256;
+            hashMatches = expected == actual;
             if (m_mode == Net::Mode::Online && !m_entity->m_sha256.isEmpty() && !hashMatches) {
-                throw Exception("mismatched checksum");
+                throw Exception(QString("Checksum mismatch, expected sha256: %1, got: %2").arg(expected, actual));
             }
 
             // load local file
diff --git a/launcher/minecraft/Library.cpp b/launcher/minecraft/Library.cpp
index 026f9c281..2b43d4389 100644
--- a/launcher/minecraft/Library.cpp
+++ b/launcher/minecraft/Library.cpp
@@ -149,7 +149,7 @@ QList<Net::NetRequest::Ptr> Library::getDownloads(const RuntimeContext& runtimeC
         if (sha1.size()) {
             auto dl = Net::ApiDownload::makeCached(url, entry, options);
             dl->addValidator(new Net::ChecksumValidator(QCryptographicHash::Sha1, sha1));
-            qDebug() << "Checksummed Download for:" << rawName().serialize() << "storage:" << storage << "url:" << url;
+            qDebug() << "Checksummed Download for:" << rawName().serialize() << "storage:" << storage << "url:" << url << "expected sha1:" << sha1;
             out.append(dl);
         } else {
             out.append(Net::ApiDownload::makeCached(url, entry, options));
diff --git a/launcher/net/ChecksumValidator.h b/launcher/net/ChecksumValidator.h
index 7663d5d12..c7906cc13 100644
--- a/launcher/net/ChecksumValidator.h
+++ b/launcher/net/ChecksumValidator.h
@@ -38,7 +38,6 @@
 #include "Validator.h"
 
 #include <QCryptographicHash>
-#include <QFile>
 
 namespace Net {
 class ChecksumValidator : public Validator {
@@ -69,10 +68,10 @@ class ChecksumValidator : public Validator {
         return true;
     }
 
-    auto validate(QNetworkReply&) -> bool override
+    auto validate(QNetworkReply& reply) -> bool override
     {
-        if (m_expected.size() && m_expected != hash()) {
-            qWarning() << "Checksum mismatch, download is bad.";
+        if (!m_expected.isEmpty() && m_expected != hash()) {
+            qWarning() << "Checksum mismatch for URL:" << reply.url().toString() << "expected:" << m_expected << "got:" << hash();
             return false;
         }
         return true;