diff --git a/src/cpu/func_unit.cc b/src/cpu/func_unit.cc
index 6d009a4400..3c2f1049db 100644
--- a/src/cpu/func_unit.cc
+++ b/src/cpu/func_unit.cc
@@ -42,6 +42,8 @@ using namespace std;
 //
 FuncUnit::FuncUnit()
 {
+    opLatencies.fill(0);
+    pipelined.fill(false);
     capabilityList.reset();
 }
 
diff --git a/src/cpu/func_unit.hh b/src/cpu/func_unit.hh
index 721a69df11..6381955091 100644
--- a/src/cpu/func_unit.hh
+++ b/src/cpu/func_unit.hh
@@ -31,6 +31,7 @@
 #ifndef __CPU_FUNC_UNIT_HH__
 #define __CPU_FUNC_UNIT_HH__
 
+#include <array>
 #include <bitset>
 #include <string>
 #include <vector>
@@ -84,8 +85,8 @@ typedef std::vector<FUDesc *>::const_iterator FUDDiterator;
 class FuncUnit
 {
   private:
-    unsigned opLatencies[Num_OpClasses];
-    bool pipelined[Num_OpClasses];
+    std::array<unsigned, Num_OpClasses> opLatencies;
+    std::array<bool, Num_OpClasses> pipelined;
     std::bitset<Num_OpClasses> capabilityList;
 
   public: