diff --git a/include/llvm/Target/TargetSchedInfo.h b/include/llvm/Target/TargetSchedInfo.h
index e8908c532a4..aea0357e20f 100644
--- a/include/llvm/Target/TargetSchedInfo.h
+++ b/include/llvm/Target/TargetSchedInfo.h
@@ -11,7 +11,7 @@
 #include <ext/hash_map>
 
 typedef long long cycles_t; 
-const cycles_t HUGE_LATENCY = ~((unsigned long long) 1 << sizeof(cycles_t)-2);
+const cycles_t HUGE_LATENCY = ~((long long) 1 << (sizeof(cycles_t)-2));
 const cycles_t INVALID_LATENCY = -HUGE_LATENCY; 
 static const unsigned MAX_OPCODE_SIZE = 16;