diff --git a/gtk/main.c b/gtk/main.c
index 5e1cfed..11f14da 100644
--- a/gtk/main.c
+++ b/gtk/main.c
@@ -158,15 +158,19 @@ getpreedit(GtkIMContext *ctx, gchar **str, PangoAttrList **attrs,
 	PangoAttribute *u;
 
 	im = (Im*)ctx;
-	*str = g_strdup(im->pre);
-	*attrs = pango_attr_list_new();
-	if(im->prelen > 0){
-		u = pango_attr_underline_new(PANGO_UNDERLINE_SINGLE);
-		u->start_index = 0;
-		u->end_index = im->prelen;
-		pango_attr_list_insert(*attrs, u);
+	if(str)
+		*str = g_strdup(im->pre);
+	if(attrs){
+		*attrs = pango_attr_list_new();
+		if(im->prelen > 0){
+			u = pango_attr_underline_new(PANGO_UNDERLINE_SINGLE);
+			u->start_index = 0;
+			u->end_index = im->prelen;
+			pango_attr_list_insert(*attrs, u);
+		}
 	}
-	*cursor_pos = g_utf8_strlen(im->pre, -1);
+	if(cursor_pos)
+		*cursor_pos = g_utf8_strlen(im->pre, -1);
 }
 
 static void
diff --git a/run.sh b/run.sh
index 7238510..e0b6aa5 100755
--- a/run.sh
+++ b/run.sh
@@ -1,8 +1,7 @@
 #!/bin/sh
 
+cd "$(dirname "$0")"
 pkill strans
-pkill strans-xim
-
 sleep 1
 ./strans map font &
 sleep 1