diff --git a/CHANGELOG.md b/CHANGELOG.md
index 77e5c6c4..68dd5178 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,6 +16,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Fixed `:FindFirstChild()` not supporting a boolean "recursive" 2nd parameter on DataModel types ([#704](https://github.com/JohnnyMorganz/luau-lsp/issues/704))
 - Fixed `:WaitForChild()` not supporting a number "timeout" 2nd parameter on DataModel types ([#704](https://github.com/JohnnyMorganz/luau-lsp/issues/704))
 - Fixed inlay hint off-by-one on a function definition with an explicit self (i.e., `function Class.foo(self, param)`) ([#702](https://github.com/JohnnyMorganz/luau-lsp/issues/702))
+- Fixed `:GetPropertyChangedSignal()` still showing children in autocomplete for DataModel types ([#699](https://github.com/JohnnyMorganz/luau-lsp/issues/699))
 
 ## [1.32.0] - 2024-07-14
 
diff --git a/src/platform/roblox/RobloxSourcemap.cpp b/src/platform/roblox/RobloxSourcemap.cpp
index 428b66d3..c4ff2cc9 100644
--- a/src/platform/roblox/RobloxSourcemap.cpp
+++ b/src/platform/roblox/RobloxSourcemap.cpp
@@ -172,7 +172,14 @@ static Luau::TypeId getSourcemapType(const Luau::GlobalTypes& globals, Luau::Typ
 
                 // Add children as properties
                 for (const auto& child : node->children)
-                    ctv->props[child->name] = Luau::makeProperty(getSourcemapType(globals, arena, child));
+                    ctv->props[child->name] = ctv->props[child->name] = Luau::Property{
+                        getSourcemapType(globals, arena, child),
+                        /* deprecated */ false,
+                        /* deprecatedSuggestion */ {},
+                        /* location */ std::nullopt,
+                        /* tags */ {kSourcemapGeneratedTag},
+                        /* documentationSymbol*/ std::nullopt,
+                    };
 
                 // Add FindFirstAncestor and FindFirstChild
                 if (auto instanceType = getTypeIdForClass(globals.globalScope, "Instance"))
diff --git a/tests/Autocomplete.test.cpp b/tests/Autocomplete.test.cpp
index 329048da..25c39c6f 100644
--- a/tests/Autocomplete.test.cpp
+++ b/tests/Autocomplete.test.cpp
@@ -342,6 +342,41 @@ TEST_CASE_FIXTURE(Fixture, "get_property_changed_signal_does_not_include_childre
     checkStringCompletionExists(result, "ClassName");
 }
 
+TEST_CASE_FIXTURE(Fixture, "get_property_changed_signal_does_not_include_children_from_sourcemap_second_level_getsourcemaptype_ty")
+{
+    loadSourcemap(R"(
+    {
+        "name": "Game",
+        "className": "DataModel",
+        "children": [
+            {
+                "name": "ReplicatedStorage",
+                "className": "ReplicatedStorage",
+                "children": [{"name": "Part", "className": "Part"}]
+            }
+        ]
+    })");
+
+    auto [source, marker] = sourceWithMarker(R"(
+        --!strict
+        game.ReplicatedStorage:GetPropertyChangedSignal("|")
+    )");
+
+    auto uri = newDocument("foo.luau", source);
+
+    lsp::CompletionParams params;
+    params.textDocument = lsp::TextDocumentIdentifier{uri};
+    params.position = marker;
+
+    auto result = workspace.completion(params);
+
+    CHECK_EQ(result.size(), 3);
+    CHECK_EQ(getItem(result, "Part"), std::nullopt);
+    checkStringCompletionExists(result, "Name");
+    checkStringCompletionExists(result, "Parent");
+    checkStringCompletionExists(result, "ClassName");
+}
+
 TEST_CASE_FIXTURE(Fixture, "find_first_child_on_datamodel_contains_children")
 {
     loadSourcemap(R"(