diff --git a/core/msvc8/sourcemod_mm.vcproj b/core/msvc8/sourcemod_mm.vcproj
index 79ece72c..91c0557c 100644
--- a/core/msvc8/sourcemod_mm.vcproj
+++ b/core/msvc8/sourcemod_mm.vcproj
@@ -194,6 +194,10 @@
 				RelativePath="..\sm_srvcmds.cpp"
 				>
 			</File>
+			<File
+				RelativePath="..\sm_stringutil.cpp"
+				>
+			</File>
 			<File
 				RelativePath="..\sm_trie.cpp"
 				>
@@ -244,6 +248,10 @@
 				RelativePath="..\sm_srvcmds.h"
 				>
 			</File>
+			<File
+				RelativePath="..\sm_stringutil.h"
+				>
+			</File>
 			<File
 				RelativePath="..\sm_trie.h"
 				>