diff --git a/lib/Serialization/Module.cpp b/lib/Serialization/Module.cpp
index 5fab02b..a5f7091 100644
--- a/lib/Serialization/Module.cpp
+++ b/lib/Serialization/Module.cpp
@@ -21,7 +21,8 @@
 using namespace reader;
 
 ModuleFile::ModuleFile(ModuleKind Kind, unsigned Generation)
-  : Kind(Kind), DirectlyImported(false), Generation(Generation), SizeInBits(0), 
+  : Kind(Kind), File(0), DirectlyImported(false),
+    Generation(Generation), SizeInBits(0),
     LocalNumSLocEntries(0), SLocEntryBaseID(0),
     SLocEntryBaseOffset(0), SLocEntryOffsets(0),
     SLocFileOffsets(0), LocalNumIdentifiers(0),