diff --git a/src/sfizz/Voice.cpp b/src/sfizz/Voice.cpp
index 93521467..667b4811 100644
--- a/src/sfizz/Voice.cpp
+++ b/src/sfizz/Voice.cpp
@@ -157,11 +157,17 @@ void sfz::Voice::registerNoteOff(int delay, int channel, int noteNumber, uint8_t
     }
 }
 
-void sfz::Voice::registerCC(int delay, int channel [[maybe_unused]], int ccNumber, uint8_t ccValue) noexcept
+void sfz::Voice::registerCC(int delay, int channel, int ccNumber, uint8_t ccValue) noexcept
 {
     if (region == nullptr)
         return;
 
+    if (state ==  State::idle)
+        return;
+
+    if (triggerChannel != channel)
+        return;
+
     if (region->checkSustain && noteIsOff && ccNumber == config::sustainCC && ccValue < config::halfCCThreshold)
         release(delay);
 
@@ -199,6 +205,9 @@ void sfz::Voice::registerPitchWheel(int delay, int channel, int pitch) noexcept
     if (state == State::idle)
         return;
 
+    if (triggerChannel != channel)
+        return;
+
     pitchBendEnvelope.registerEvent(delay, pitch);
 }