diff --git a/metadata/org.totschnig.myexpenses.yml b/metadata/org.totschnig.myexpenses.yml
index 4f1cbff294..7308e6f39d 100644
--- a/metadata/org.totschnig.myexpenses.yml
+++ b/metadata/org.totschnig.myexpenses.yml
@@ -2180,6 +2180,7 @@ Builds:
       - mlkit
       - mlkit_*
       - tests
+    prebuild: sed -i -e 's/MM,dd,HH,mm/M,d,H,m/' build.gradle
     build: gradle :myExpenses:packageExternReleaseUniversalApk
 
 MaintainerNotes: '* Ads: https://github.com/mtotschnig/MyExpenses/tree/b4237aabf8924614251d14fb18ce274ec0f934f7/myExpenses/src/main/java/org/totschnig/myexpenses/util/ads'