diff --git a/src/cpu/checker/cpu.hh b/src/cpu/checker/cpu.hh
index 70432167a0..1ed7e0d816 100644
--- a/src/cpu/checker/cpu.hh
+++ b/src/cpu/checker/cpu.hh
@@ -415,10 +415,10 @@ class CheckerCPU : public BaseCPU, public ExecContext
     /////////////////////////////////////////
 
     void
-    recordPCChange(const TheISA::PCState &val)
+    recordPCChange(const PCStateBase &val)
     {
        changedPC = true;
-       newPCState = val;
+       set(newPCState, val);
     }
 
     void
@@ -511,7 +511,7 @@ class CheckerCPU : public BaseCPU, public ExecContext
 
     bool changedPC;
     bool willChangePC;
-    TheISA::PCState newPCState;
+    std::unique_ptr<PCStateBase> newPCState;
     bool exitOnError;
     bool updateOnError;
     bool warnOnlyOnLoadError;
diff --git a/src/cpu/checker/cpu_impl.hh b/src/cpu/checker/cpu_impl.hh
index 436ef9615f..385ee2aa53 100644
--- a/src/cpu/checker/cpu_impl.hh
+++ b/src/cpu/checker/cpu_impl.hh
@@ -213,12 +213,12 @@ Checker<DynInstPtr>::verify(const DynInstPtr &completed_inst)
             DPRINTF(Checker, "Changed PC recently to %s\n",
                     thread->pcState());
             if (willChangePC) {
-                if (newPCState == thread->pcState()) {
+                if (*newPCState == thread->pcState()) {
                     DPRINTF(Checker, "Changed PC matches expected PC\n");
                 } else {
                     warn("%lli: Changed PC does not match expected PC, "
                          "changed: %s, expected: %s",
-                         curTick(), thread->pcState(), newPCState);
+                         curTick(), thread->pcState(), *newPCState);
                     CheckerCPU::handleError();
                 }
                 willChangePC = false;
@@ -386,8 +386,8 @@ Checker<DynInstPtr>::verify(const DynInstPtr &completed_inst)
             if (FullSystem) {
                 fault->invoke(tc, curStaticInst);
                 willChangePC = true;
-                newPCState = thread->pcState();
-                DPRINTF(Checker, "Fault, PC is now %s\n", newPCState);
+                set(newPCState, thread->pcState());
+                DPRINTF(Checker, "Fault, PC is now %s\n", *newPCState);
                 curMacroStaticInst = nullStaticInstPtr;
             }
         } else {
@@ -407,8 +407,8 @@ Checker<DynInstPtr>::verify(const DynInstPtr &completed_inst)
             } while (oldpc != thread->instAddr());
             if (count > 1) {
                 willChangePC = true;
-                newPCState = thread->pcState();
-                DPRINTF(Checker, "PC Event, PC is now %s\n", newPCState);
+                set(newPCState, thread->pcState());
+                DPRINTF(Checker, "PC Event, PC is now %s\n", *newPCState);
             }
         }