diff --git a/addons/web/static/src/css/base.css b/addons/web/static/src/css/base.css
index b53e294ede4..a0b2d90e45e 100644
--- a/addons/web/static/src/css/base.css
+++ b/addons/web/static/src/css/base.css
@@ -2349,6 +2349,9 @@
 .openerp .oe_form .oe_form_field_selection select {
   width: 100%;
 }
+.openerp .oe_form .oe_notebook_page .oe_form_field_text textarea {
+  min-height: 96px;
+}
 .openerp .oe_form .oe_form_field_text.oe_inline, .openerp .oe_form .oe_form_field_text.oe_inline > textarea {
   width: 500px;
 }
diff --git a/addons/web/static/src/css/base.sass b/addons/web/static/src/css/base.sass
index bbb995e655c..000342ba82a 100644
--- a/addons/web/static/src/css/base.sass
+++ b/addons/web/static/src/css/base.sass
@@ -1864,6 +1864,8 @@ $sheet-padding: 16px
         .oe_form_field_text textarea,
         .oe_form_field_selection select
             width: 100%
+        .oe_notebook_page .oe_form_field_text textarea
+            min-height: 96px
         .oe_form_field_text.oe_inline, .oe_form_field_text.oe_inline > textarea
             width: 500px
         h1, h2, h3, h4, h5, h6