diff --git a/src/cpu/o3/rename.cc b/src/cpu/o3/rename.cc
index 9a5be35f38..980252e19c 100644
--- a/src/cpu/o3/rename.cc
+++ b/src/cpu/o3/rename.cc
@@ -1260,7 +1260,7 @@ Rename::readFreeEntries(ThreadID tid)
             freeEntries[tid].robEntries,
             freeEntries[tid].lqEntries,
             freeEntries[tid].sqEntries,
-            renameMap[tid]->numFreeEntries(),
+            renameMap[tid]->minFreeEntries(),
             renameMap[tid]->numFreeEntries(IntRegClass),
             renameMap[tid]->numFreeEntries(FloatRegClass),
             renameMap[tid]->numFreeEntries(VecRegClass),
diff --git a/src/cpu/o3/rename_map.hh b/src/cpu/o3/rename_map.hh
index 640c2acbba..b208f53a54 100644
--- a/src/cpu/o3/rename_map.hh
+++ b/src/cpu/o3/rename_map.hh
@@ -266,7 +266,7 @@ class UnifiedRenameMap
      * of registers is requested.
      */
     unsigned
-    numFreeEntries() const
+    minFreeEntries() const
     {
         auto min_free = std::numeric_limits<unsigned>::max();
         for (auto &map: renameMaps) {