diff --git a/themes/pmahomme/css/theme_right.css.php b/themes/pmahomme/css/theme_right.css.php
index 21a0bfcc5..1f90e3dda 100644
--- a/themes/pmahomme/css/theme_right.css.php
+++ b/themes/pmahomme/css/theme_right.css.php
@@ -1593,6 +1593,10 @@ code.sql, div.sqlvalidate {
     width: 98%;
 }
 
+textarea#partitiondefinition {
+    height:3em;
+}
+
 /* for elements that should be revealed only via js */
 .hide {
     display:            none;