diff --git a/src/libdt.c b/src/libdt.c
index 4a3ce1e..61a0706 100644
--- a/src/libdt.c
+++ b/src/libdt.c
@@ -2040,8 +2040,12 @@
 
 	part = device_find_partition(op->dev, name);
 	if (part) {
-		op->devpath = strdup(udev_device_get_devnode(part));
-		pr_debug("%s: found part '%s'\n", __func__, name);
+		if (udev_device_get_devnode(part) != NULL) {
+			op->devpath = strdup(udev_device_get_devnode(part));
+			pr_debug("%s: found part '%s'\n", __func__, name);
+		} else {
+			pr_debug("%s: '%s' not found\n", __func__, name);
+		}
 		return 0;
 	}