diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index 4b15aa163b6ef6c92660d96bc95fadeee897f192..cde35c5d0191bd5950c7953d5b8e88a2d139306f 100644
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -191,7 +191,7 @@ static void * unflatten_dt_node(void *blob,
 	if (!pathp)
 		return mem;
 
-	allocl = l++;
+	allocl = ++l;
 
 	/* version 0x10 has a more compact unit name here instead of the full
 	 * path. we accumulate the full path size using "fpsize", we'll rebuild