1 files changed, 6 insertions, 4 deletions
diff --git a/addons/web/static/src/js/core/pyeval.js b/addons/web/static/src/js/core/pyeval.js
index ee4ac697fd9..810cb7f38bd 100644
--- a/addons/web/static/src/js/core/pyeval.js
+++ b/addons/web/static/src/js/core/pyeval.js
@@ -642,13 +642,15 @@ var relativedelta = py.type('relativedelta', null, {
         this._fix();
     },
     _fix: function () {
+        var self = this;
         var months = asJS(this.ops.months);
         if (Math.abs(months) > 11) {
             var s = months > 0 ? 1 : -1;
-            var r = utils.divmod(months * s, 12);
-            this.ops.months = py.float.fromJSON(r.mod*s);
-            this.ops.years = py.float.fromJSON(
-                asJS(this.ops.years) + r.div*s);
+            utils.divmod(months * s, 12, function (years, months) {
+                self.ops.months = py.float.fromJSON(months*s);
+                self.ops.years = py.float.fromJSON(
+                    asJS(self.ops.years) + years*s);
+            });
         }
         this._has_time = 0;
     },