diff --git a/lib/Target/PIC16/PIC16TargetAsmInfo.cpp b/lib/Target/PIC16/PIC16TargetAsmInfo.cpp
index a81c95f1594..979fadfc901 100644
--- a/lib/Target/PIC16/PIC16TargetAsmInfo.cpp
+++ b/lib/Target/PIC16/PIC16TargetAsmInfo.cpp
@@ -30,6 +30,7 @@ PIC16TargetAsmInfo(const PIC16TargetMachine &TM)
   Data8bitsDirective = " db ";
   Data16bitsDirective = " dw ";
   Data32bitsDirective = " dl ";
+  Data64bitsDirective = NULL;
   RomData8bitsDirective = " dw ";
   RomData16bitsDirective = " rom_di ";
   RomData32bitsDirective = " rom_dl ";