diff --git a/scripts/taler-monitoring/android-test/run-goa-gui-chain.sh b/scripts/taler-monitoring/android-test/run-goa-gui-chain.sh
index a1818d4..af48da6 100755
--- a/scripts/taler-monitoring/android-test/run-goa-gui-chain.sh
+++ b/scripts/taler-monitoring/android-test/run-goa-gui-chain.sh
@@ -299,6 +299,8 @@ for AMT in "${AMOUNTS[@]}"; do
   step "2.$idx withdraw $AMT"
   URI="$(mint_withdraw "$AMT" | head -1)"
   [[ -n "$URI" ]] || die "mint failed for $AMT"
+  # wallet / monitoring QR rules: strip default ports
+  URI=$(printf '%s' "$URI" | sed 's/:443\//\//g; s/:443?/?/g; s/:80\//\//g')
   info "URI=$URI"
   echo "$URI" >>"$SHOTDIR/withdraw-uris.txt"
   adb_sh am start -a android.intent.action.VIEW -d "$URI" "$PKG" >/dev/null
@@ -326,6 +328,7 @@ for PAY in "${PAYS[@]}"; do
     continue
   fi
   [[ -n "$PAYURI" ]] || { info "empty pay uri — skip"; continue; }
+  PAYURI=$(printf '%s' "$PAYURI" | sed 's/:443\//\//g; s/:443?/?/g; s/:80\//\//g')
   info "PAYURI=$PAYURI"
   echo "$PAYURI" >>"$SHOTDIR/pay-uris.txt"
   adb_sh am start -a android.intent.action.VIEW -d "$PAYURI" "$PKG" >/dev/null