diff --git a/include/cpu.h b/include/cpu.h
index cc015857..9fd9bfe3 100644
--- a/include/cpu.h
+++ b/include/cpu.h
@@ -35,6 +35,7 @@ extern CPU_Decoder * cpudecoder;
 
 Bits CPU_Core_Normal_Run(void);
 Bits CPU_Core_Normal_Trap_Run(void);
+Bits CPU_Core_Simple_Run(void);
 Bits CPU_Core_Full_Run(void);
 Bits CPU_Core_Dyn_X86_Run(void);
 
@@ -415,5 +416,6 @@ INLINE void CPU_SetFlagsw(Bitu word) {
 	CPU_SetFlags(word,mask);
 };
 
+
 #endif