diff --git a/infolog/templates/default/index.xet b/infolog/templates/default/index.xet
index 6c4be94c6d..789ecb38da 100644
--- a/infolog/templates/default/index.xet
+++ b/infolog/templates/default/index.xet
@@ -104,7 +104,8 @@
 						<hbox readonly="true">
 							<hbox readonly="true">
                                 <date-duration id="${row}[info_used_time]" readonly="true"
-                                               display_format="@@duration_format"/>
+                                               display_format="@@duration_format"
+                                               disabled="!$row_cont[info_used_time]"/>
                                 <date-duration id="${row}[info_sum_timesheets]" readonly="true"
                                                display_format="@@duration_format" class="timesheet"/>
                             </hbox>