diff --git a/debian/changelog b/debian/changelog
index 92881b9..a15f610 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,10 @@
+rpi-imager (1.7.4.1) unstable; urgency=medium
+
+  * Advanced settings: fix creating files on FAT partition that are
+    an exact multiple of cluster size.
+
+ -- Floris Bos <bos@je-eigen-domein.nl>  Wed, 22 Mar 2023 16:15:00 +0100
+
 rpi-imager (1.7.4) unstable; urgency=medium
 
   * Advanced settings: fix escaping single quotes
diff --git a/src/devicewrapperfatpartition.cpp b/src/devicewrapperfatpartition.cpp
index 5b566c4..b6e62a8 100644
--- a/src/devicewrapperfatpartition.cpp
+++ b/src/devicewrapperfatpartition.cpp
@@ -320,7 +320,7 @@ void DeviceWrapperFatPartition::writeFile(const QString &filename, const QByteAr
             break;
     }
 
-    if (clustersNeeded)
+    if (clustersNeeded && contents.length() % _bytesPerCluster)
     {
         /* Zero out last cluster tip */
         uint32_t extraBytesAtEndOfCluster = _bytesPerCluster - (contents.length() % _bytesPerCluster);