diff --git a/src/commonlib/device_tree.c b/src/commonlib/device_tree.c
index b5c0ede7f3..c4fbae986d 100644
--- a/src/commonlib/device_tree.c
+++ b/src/commonlib/device_tree.c
@@ -1039,7 +1039,7 @@ void dt_read_cell_props(const struct device_tree_node *node, u32 *addrcp,
 }
 
 static struct device_tree_node *_dt_find_node(struct device_tree_node *parent,
-					      const char **path, u32 *addrcp,
+					      const char *const *path, u32 *addrcp,
 					      u32 *sizecp, int create)
 {
 	struct device_tree_node *node, *found = NULL;
@@ -1091,7 +1091,7 @@ static struct device_tree_node *_dt_find_node(struct device_tree_node *parent,
  * @return		The found/created node, or NULL.
  */
 struct device_tree_node *dt_find_node(struct device_tree_node *parent,
-				      const char **path, u32 *addrcp,
+				      const char *const *path, u32 *addrcp,
 				      u32 *sizecp, int create)
 {
 	/* Initialize cells to default values according to FDT spec. */
diff --git a/src/commonlib/include/commonlib/device_tree.h b/src/commonlib/include/commonlib/device_tree.h
index c15d7ae5b1..f51f827593 100644
--- a/src/commonlib/include/commonlib/device_tree.h
+++ b/src/commonlib/include/commonlib/device_tree.h
@@ -154,8 +154,9 @@ void dt_read_cell_props(const struct device_tree_node *node, u32 *addrcp,
 			u32 *sizecp);
 /* Look up or create a node relative to a parent node, through its path
    represented as an array of strings. */
-struct device_tree_node *dt_find_node(struct device_tree_node *parent, const char **path,
-			     u32 *addrcp, u32 *sizecp, int create);
+struct device_tree_node *dt_find_node(struct device_tree_node *parent,
+				      const char *const *path, u32 *addrcp,
+				      u32 *sizecp, int create);
 struct device_tree_node *dt_find_node_by_phandle(struct device_tree_node *root,
 						 uint32_t phandle);
 /* Look up or create a node in the tree, through its path