diff -r 9a6551eba09c -r c593fc9f5438 pidgin/gtklog.c
--- a/pidgin/gtklog.c	Thu Mar 23 21:01:15 2017 +0300
+++ b/pidgin/gtklog.c	Fri Mar 24 02:23:46 2017 +0300
@@ -504,7 +504,7 @@
 		month = purple_utf8_strftime(_("%B %Y"),
 		                           log->tm ? log->tm : localtime(&log->time));
 
-		if (strcmp(month, prev_top_month) != 0)
+		if (!purple_strequal(month, prev_top_month))
 		{
 			/* top level */
 			gtk_tree_store_append(lv->treestore, &toplevel, NULL);