diff --git a/scripts/dts/edtlib.py b/scripts/dts/edtlib.py
index b6227ecca83..a0d55a01a21 100644
--- a/scripts/dts/edtlib.py
+++ b/scripts/dts/edtlib.py
@@ -526,11 +526,6 @@ class Device:
     def _init_prop(self, name, options):
         # _init_props() helper for initializing a single property
 
-        # Skip properties that start with '#', like '#size-cells', and mapping
-        # properties like 'gpio-map'/'interrupt-map'
-        if name[0] == "#" or name.endswith("-map"):
-            return
-
         prop_type = options.get("type")
         if not prop_type:
             _err("'{}' in {} lacks 'type'".format(name, self.binding_path))
@@ -548,6 +543,11 @@ class Device:
             # 'category: optional' property that wasn't there
             return
 
+        # Skip properties that start with '#', like '#size-cells', and mapping
+        # properties like 'gpio-map'/'interrupt-map'
+        if name[0] == "#" or name.endswith("-map"):
+            return
+
         prop = Property()
         prop.dev = self
         prop.name = name