diff --git a/issue12618.diff b/issue12618.diff
new file mode 100644
index 0000000..5b2c715
--- /dev/null
+++ b/issue12618.diff
@@ -0,0 +1,15 @@
+diff --git a/tryton/sao/src/sao.less b/tryton/sao/src/sao.less
+index 0a75ad803e..ece787b133 100644
+--- a/tryton/sao/src/sao.less
++++ b/tryton/sao/src/sao.less
+@@ -635,7 +635,9 @@ img.icon {
+         padding-right: 0px;
+     }
+     td.form-label {
+-        white-space: pre;
++      white-space: pre-wrap;
++      width: max-content;
++      max-width: 80ch;
+     }
+     .form-char, .form-password, .form-integer, .form-float, .form-date,
+     .form-datetime, .form-time, .form-timedelta, .form-selection,
diff --git a/series b/series
index 152ce8b..884bab2 100644
--- a/series
+++ b/series
@@ -119,3 +119,5 @@ sale_purchase_relate_lines.diff # [sale] [purchase] Add relates to sale and purc
 issue12570.diff # [account] Do not compute account party for general ledger line without party
 
 issue12590.diff # [account_payment] Do not test active clause of dunning being in a set
+
+issue12618.diff # [sao] Wrap long label to 80 chars