diff --git a/src/waveform/renderers/allshader/waveformrendererstem.cpp b/src/waveform/renderers/allshader/waveformrendererstem.cpp
index 5c9b6716427..e53d9217e2b 100644
--- a/src/waveform/renderers/allshader/waveformrendererstem.cpp
+++ b/src/waveform/renderers/allshader/waveformrendererstem.cpp
@@ -172,7 +172,7 @@ bool WaveformRendererStem::preprocessInner() {
                 }
 
                 // Cast to float
-                float max = static_cast<float>(u8max);
+                float max = static_cast<float>(u8max) * allGain;
 
                 // Apply the gains
                 if (layerIdx) {