diff --git a/src/cpu/core_dyn_x86.cpp b/src/cpu/core_dyn_x86.cpp
index 4a9b2094..71605085 100644
--- a/src/cpu/core_dyn_x86.cpp
+++ b/src/cpu/core_dyn_x86.cpp
@@ -49,6 +49,10 @@
 #define DYN_LOG
 #endif
 
+#if C_FPU
+#define CPU_FPU 1                                               //Enable FPU escape instructions
+#endif
+
 enum {
 	G_EAX,G_ECX,G_EDX,G_EBX,
 	G_ESP,G_EBP,G_ESI,G_EDI,
diff --git a/src/cpu/core_dyn_x86/decoder.h b/src/cpu/core_dyn_x86/decoder.h
index 3b3750c9..108e0392 100644
--- a/src/cpu/core_dyn_x86/decoder.h
+++ b/src/cpu/core_dyn_x86/decoder.h
@@ -1339,6 +1339,7 @@ restart_prefix:
 		case 0xd2:dyn_grp2_eb(grp2_cl);break;
 		case 0xd3:dyn_grp2_ev(grp2_cl);break;
 		//FPU
+#ifdef CPU_FPU
 		case 0xd8:
 			DYN_FPU_ESC(0);
 			break;
@@ -1363,6 +1364,7 @@ restart_prefix:
 		case 0xdf:
 			DYN_FPU_ESC(7);
 			break;
+#endif
 		//Loop's 
 		case 0xe2:dyn_loop(LOOP_NONE);goto finish_block;
 		case 0xe3:dyn_loop(LOOP_JCXZ);goto finish_block;