diff --git a/projectfiles/VC9/wesnoth.vcproj b/projectfiles/VC9/wesnoth.vcproj
index 5a809b7b4b5..a3249432f5a 100644
--- a/projectfiles/VC9/wesnoth.vcproj
+++ b/projectfiles/VC9/wesnoth.vcproj
@@ -7729,6 +7729,14 @@
 			RelativePath="..\..\src\formula_string_utils.hpp"
 			>
 		</File>
+		<File
+			RelativePath="..\..\src\formula_string_utils_backend.cpp"
+			>
+		</File>
+		<File
+			RelativePath="..\..\src\formula_string_utils_backend.hpp"
+			>
+		</File>
 		<File
 			RelativePath="..\..\src\formula_tokenizer.cpp"
 			>
diff --git a/projectfiles/VC9/wesnothlib.vcproj b/projectfiles/VC9/wesnothlib.vcproj
index 3947a8a3fe3..7e46acbc1cd 100644
--- a/projectfiles/VC9/wesnothlib.vcproj
+++ b/projectfiles/VC9/wesnothlib.vcproj
@@ -213,6 +213,26 @@
 				>
 			</File>
 		</Filter>
+		<Filter
+			Name="utils"
+			>
+			<File
+				RelativePath="..\..\src\utils\count_logger.hpp"
+				>
+			</File>
+			<File
+				RelativePath="..\..\src\utils\interned.cpp"
+				>
+			</File>
+			<File
+				RelativePath="..\..\src\utils\interned.hpp"
+				>
+			</File>
+			<File
+				RelativePath="..\..\src\utils\lru_cache.hpp"
+				>
+			</File>
+		</Filter>
 		<File
 			RelativePath="..\..\src\about.hpp"
 			>
@@ -301,6 +321,14 @@
 			RelativePath="..\..\src\thread.hpp"
 			>
 		</File>
+		<File
+			RelativePath="..\..\src\token.cpp"
+			>
+		</File>
+		<File
+			RelativePath="..\..\src\token.hpp"
+			>
+		</File>
 		<File
 			RelativePath="..\..\src\tstring.cpp"
 			>