diff --git a/src/cpu/o3/rename_map.cc b/src/cpu/o3/rename_map.cc
index 25289825cf..b0232df208 100644
--- a/src/cpu/o3/rename_map.cc
+++ b/src/cpu/o3/rename_map.cc
@@ -98,7 +98,7 @@ UnifiedRenameMap::init(PhysRegFile *_regFile,
 
     floatMap.init(TheISA::NumFloatRegs, &(freeList->floatList), _floatZeroReg);
 
-    ccMap.init(TheISA::NumFloatRegs, &(freeList->ccList), (RegIndex)-1);
+    ccMap.init(TheISA::NumCCRegs, &(freeList->ccList), (RegIndex)-1);
 }