diff --git a/Source/Tests/SConscript b/Source/Tests/SConscript
index 909ca606..78ab3c1b 100644
--- a/Source/Tests/SConscript
+++ b/Source/Tests/SConscript
@@ -15,6 +15,7 @@ required = Split("""
 	growbuf.cpp
 	mmap.cpp
 	ResourceEditor.cpp
+	util.cpp
 """)
 
 cppunitlibs = Split("""