diff --git a/metadata/org.totschnig.myexpenses.txt b/metadata/org.totschnig.myexpenses.txt
index 9215be8a03..5327c3e16c 100644
--- a/metadata/org.totschnig.myexpenses.txt
+++ b/metadata/org.totschnig.myexpenses.txt
@@ -335,13 +335,19 @@ Build:2.4.5,204
     submodules=yes
     gradle=yes
 
-Build:Unknown,205
+Build:2.4.5.1,205
     commit=r205
     subdir=myExpenses
     submodules=yes
     gradle=yes
 
-Auto Update Mode:Version r%c
+Maintainer Notes:
+AUM is broken, because upstream is constructing the versionname out of multiple integers,
+which results in a "unknown" CV for fdroid. AUM is then using this in the update build,
+which -- of course -- fails.
+.
+
+#Auto Update Mode:Version r%c
 Update Check Mode:Tags
 Current Version:Unknown
 Current Version Code:205