diff --git a/source/SoundTouch/BPMDetect.cpp b/source/SoundTouch/BPMDetect.cpp
index 32c80ba..6baaecd 100644
--- a/source/SoundTouch/BPMDetect.cpp
+++ b/source/SoundTouch/BPMDetect.cpp
@@ -332,7 +332,7 @@ float BPMDetect::getBpm()
     peakPos = peakFinder.detectPeak(xcorr, windowStart, windowLen);
 
     assert(decimateBy != 0);
-    if (peakPos < 1e-6) return 0.0; // detection failed.
+    if (peakPos < 1e-9) return 0.0; // detection failed.
 
     // calculate BPM
     return (float)(60.0 * (((double)sampleRate / (double)decimateBy) / peakPos));
diff --git a/source/SoundTouch/PeakFinder.cpp b/source/SoundTouch/PeakFinder.cpp
index 534f6cf..9ad601c 100644
--- a/source/SoundTouch/PeakFinder.cpp
+++ b/source/SoundTouch/PeakFinder.cpp
@@ -164,7 +164,7 @@ double PeakFinder::getPeakCenter(const float *data, int peakpos) const
     groundLevel = max(data[gp1], data[gp2]);
     peakLevel = data[peakpos];
 
-    if (groundLevel < 1e-6) return 0;                // ground level too small => detection failed
+    if (groundLevel < 1e-9) return 0;                // ground level too small => detection failed
     if ((peakLevel / groundLevel) < 1.3) return 0;   // peak less than 30% of the ground level => no good peak detected
 
     // calculate 70%-level of the peak