diff --git a/cpukit/score/cpu/mips/include/rtems/score/cpu.h b/cpukit/score/cpu/mips/include/rtems/score/cpu.h
index e5680f51a5..0a5186c67a 100644
--- a/cpukit/score/cpu/mips/include/rtems/score/cpu.h
+++ b/cpukit/score/cpu/mips/include/rtems/score/cpu.h
@@ -332,6 +332,8 @@ typedef struct {
     __MIPS_FPU_REGISTER_TYPE fp30;
     __MIPS_FPU_REGISTER_TYPE fp31;
     uint32_t fpcs;
+#else
+    uint32_t unused; /* avoid empty structure warning */
 #endif
 } Context_Control_fp;