diff --git a/webrtc/modules/audio_processing/ns/nsx_core_c.c b/webrtc/modules/audio_processing/ns/nsx_core_c.c
index b50d4f8588..4472583f17 100644
--- a/webrtc/modules/audio_processing/ns/nsx_core_c.c
+++ b/webrtc/modules/audio_processing/ns/nsx_core_c.c
@@ -48,7 +48,7 @@ void WebRtcNsx_SpeechNoiseProb(NsxInst_t* inst,
     if (den > 0) {
       besselTmpFX32 -= num / den;  // Q11
     } else {
-      besselTmpFX32 -= num; // Q11
+      besselTmpFX32 = 0;
     }
 
     // inst->logLrtTimeAvg[i] += LRT_TAVG * (besselTmp - log(snrLocPrior)
diff --git a/webrtc/modules/audio_processing/ns/nsx_core_mips.c b/webrtc/modules/audio_processing/ns/nsx_core_mips.c
index 29abe93f2f..0671627541 100644
--- a/webrtc/modules/audio_processing/ns/nsx_core_mips.c
+++ b/webrtc/modules/audio_processing/ns/nsx_core_mips.c
@@ -74,6 +74,7 @@ void WebRtcNsx_SpeechNoiseProb(NsxInst_t* inst,
       "sra        %[r7],    %[r7],    19                  \n\t"
       "movz       %[r3],    %[r8],    %[r6]               \n\t"
       "subu       %[r0],    %[r0],    %[r3]               \n\t"
+      "movn       %[r0],    $0,       %[r6]               \n\t"
       "mul        %[r1],    %[r1],    %[const_5412]       \n\t"
       "sra        %[r1],    %[r1],    12                  \n\t"
       "addu       %[r7],    %[r7],    %[r1]               \n\t"