diff --git a/osm_common/dbmemory.py b/osm_common/dbmemory.py
index 272f6d6..e72db5b 100644
--- a/osm_common/dbmemory.py
+++ b/osm_common/dbmemory.py
@@ -126,26 +126,27 @@
                 for content_item in content:
                     if key_list[key_next_index] == "ANYINDEX" and isinstance(v, dict):
                         matches = True
-                        for k2, v2 in target.items():
-                            k_new_list = k2.split(".")
-                            new_operator = "eq"
-                            if k_new_list[-1] in (
-                                "eq",
-                                "ne",
-                                "gt",
-                                "gte",
-                                "lt",
-                                "lte",
-                                "cont",
-                                "ncont",
-                                "neq",
-                            ):
-                                new_operator = k_new_list.pop()
-                            if not recursive_find(
-                                k_new_list, 0, content_item, new_operator, v2
-                            ):
-                                matches = False
-                                break
+                        if target:
+                            for k2, v2 in target.items():
+                                k_new_list = k2.split(".")
+                                new_operator = "eq"
+                                if k_new_list[-1] in (
+                                    "eq",
+                                    "ne",
+                                    "gt",
+                                    "gte",
+                                    "lt",
+                                    "lte",
+                                    "cont",
+                                    "ncont",
+                                    "neq",
+                                ):
+                                    new_operator = k_new_list.pop()
+                                if not recursive_find(
+                                    k_new_list, 0, content_item, new_operator, v2
+                                ):
+                                    matches = False
+                                    break
 
                     else:
                         matches = recursive_find(