diff --git a/kdumpctl b/kdumpctl
index 4280e7e..cebca36 100755
--- a/kdumpctl
+++ b/kdumpctl
@@ -400,10 +400,12 @@ check_files_modified()
 
 	EXTRA_BINS=`grep ^kdump_post $KDUMP_CONFIG_FILE | cut -d\  -f2`
 	CHECK_FILES=`grep ^kdump_pre $KDUMP_CONFIG_FILE | cut -d\  -f2`
+	CORE_COLLECTOR=`grep ^core_collector $KDUMP_CONFIG_FILE | cut -d\  -f2`
+	CORE_COLLECTOR=`type -P $CORE_COLLECTOR`
 	EXTRA_BINS="$EXTRA_BINS $CHECK_FILES"
 	CHECK_FILES=`grep ^extra_bins $KDUMP_CONFIG_FILE | cut -d\  -f2-`
 	EXTRA_BINS="$EXTRA_BINS $CHECK_FILES"
-	files="$KDUMP_CONFIG_FILE $kdump_kernel $EXTRA_BINS"
+	files="$KDUMP_CONFIG_FILE $kdump_kernel $EXTRA_BINS $CORE_COLLECTOR"
 	[[ -e /etc/fstab ]] && files="$files /etc/fstab"
 
 	check_exist "$files" && check_executable "$EXTRA_BINS"