diff --git a/src/mididevice.cpp b/src/mididevice.cpp
index 888c59d..dd9a916 100644
--- a/src/mididevice.cpp
+++ b/src/mididevice.cpp
@@ -188,7 +188,7 @@ void CMIDIDevice::MIDIMessageHandler (const u8 *pMessage, size_t nLength, unsign
 					break;
 
 				case MIDI_CC_REVERB_LEVEL:
-					m_pSynthesizer->SetReverbSend (pMessage[2], nTG);
+					m_pSynthesizer->SetReverbSend (maplong (pMessage[2], 0, 127, 0, 99), nTG);
 					break;
 
 				case MIDI_CC_DETUNE_LEVEL: