diff --git a/lib/Target/Alpha/AlphaCodeEmitter.cpp b/lib/Target/Alpha/AlphaCodeEmitter.cpp
index 1409e0c..c9271cd 100644
--- a/lib/Target/Alpha/AlphaCodeEmitter.cpp
+++ b/lib/Target/Alpha/AlphaCodeEmitter.cpp
@@ -59,6 +59,9 @@
   };
 }
 
+char AlphaCodeEmitter::ID = 0;
+
+
 /// createAlphaCodeEmitterPass - Return a pass that emits the collected Alpha
 /// code to the specified MCE object.