1 files changed, 2 insertions, 1 deletions
diff --git a/src/cpu/checker/thread_context.hh b/src/cpu/checker/thread_context.hh
index 710d827cc..0da73a137 100644
--- a/src/cpu/checker/thread_context.hh
+++ b/src/cpu/checker/thread_context.hh
@@ -55,6 +55,7 @@ namespace TheISA {
     namespace Kernel {
         class Statistics;
     };
+    class Decoder;
 };
 
 /**
@@ -117,7 +118,7 @@ class CheckerThreadContext : public ThreadContext
         return checkerCPU;
     }
 
-    Decoder *getDecoderPtr() { return actualTC->getDecoderPtr(); }
+    TheISA::Decoder *getDecoderPtr() { return actualTC->getDecoderPtr(); }
 
     System *getSystemPtr() { return actualTC->getSystemPtr(); }