diff --git a/src/kitemviews/kfileitemmodel.cpp b/src/kitemviews/kfileitemmodel.cpp
index 63686992f7..b77592b0ec 100644
--- a/src/kitemviews/kfileitemmodel.cpp
+++ b/src/kitemviews/kfileitemmodel.cpp
@@ -2543,7 +2543,7 @@ KFileItemModel::ItemGroupInfo KFileItemModel::sizeRoleGroup(const ItemData *item
 
     groupInfo.comparable = -1; // None
     if (!item.isNull() && item.isDir()) {
-        if (m_dirSizeMode == ContentDisplaySettings::EnumDirectorySizeMode::ContentCount) {
+        if (m_dirSizeMode != ContentDisplaySettings::EnumDirectorySizeMode::ContentSize) {
             groupInfo.comparable = 0; // Folders
         } else {
             fileSize = itemData->values.value("size").toULongLong();