diff --git a/webrtc/common_audio/signal_processing/vector_scaling_operations_mips.c b/webrtc/common_audio/signal_processing/vector_scaling_operations_mips.c
index ba2d26d..08ca293 100644
--- a/webrtc/common_audio/signal_processing/vector_scaling_operations_mips.c
+++ b/webrtc/common_audio/signal_processing/vector_scaling_operations_mips.c
@@ -16,6 +16,7 @@
 
 #include "common_audio/signal_processing/include/signal_processing_library.h"
 
+#if defined(MIPS_DSP_R1_LE)
 int WebRtcSpl_ScaleAndAddVectorsWithRound_mips(const int16_t* in_vector1,
                                                int16_t in_vector1_scale,
                                                const int16_t* in_vector2,
@@ -55,3 +56,4 @@ int WebRtcSpl_ScaleAndAddVectorsWithRound_mips(const int16_t* in_vector1,
   }
   return 0;
 }
+#endif