diff --git a/drivers/of/base.c b/drivers/of/base.c
index c485b1ee4aca..90c934bb91da 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -974,10 +974,10 @@ struct device_node *of_find_node_opts_by_path(const char *path, const char **opt
 	/* The path could begin with an alias */
 	if (*path != '/') {
 		int len;
-		const char *p = separator;
+		const char *p = strchrnul(path, '/');
 
-		if (!p)
-			p = strchrnul(path, '/');
+		if (separator && separator < p)
+			p = separator;
 		len = p - path;
 
 		/* of_aliases must not be NULL */