diff --git a/app/src/main/cpp/waveforms/Sawtooth.cpp b/app/src/main/cpp/waveforms/Sawtooth.cpp
index 630d335..3bfe814 100644
--- a/app/src/main/cpp/waveforms/Sawtooth.cpp
+++ b/app/src/main/cpp/waveforms/Sawtooth.cpp
@@ -5,7 +5,7 @@
 }
 
 void Sawtooth::setFrequency(float frequency) {
-    step = frequency / (double) host->sampleRate;
+    step = 2 * frequency / (double) host->sampleRate;
 }
 
 void Sawtooth::render(float *data, uint32_t frameCount) {
@@ -13,7 +13,7 @@
         data[i] += value * amplitude;
         value += step;
         if (value > 1) {
-            value = 0;
+            value = -1;
         }
     }
 }