diff --git a/src/format/ProtonPassReader.cpp b/src/format/ProtonPassReader.cpp
index 105adde79..8d4344269 100644
--- a/src/format/ProtonPassReader.cpp
+++ b/src/format/ProtonPassReader.cpp
@@ -73,7 +73,12 @@ namespace
             }
 
             if (loginMap.contains("itemEmail")) {
-                entry->attributes()->set("login_email", loginMap.value("itemEmail").toString());
+                // Use the email as username if there is no username
+                if (loginMap.value("itemUsername").toString().isEmpty()) {
+                  entry->setUsername(loginMap.value("itemEmail").toString());
+                } else {
+                  entry->attributes()->set("login_email", loginMap.value("itemEmail").toString());
+                }
             }
 
             // Set the entry url(s)