diff --git a/distrho/src/DistrhoPluginAU.cpp b/distrho/src/DistrhoPluginAU.cpp
index 8e80def2..895e6c85 100644
--- a/distrho/src/DistrhoPluginAU.cpp
+++ b/distrho/src/DistrhoPluginAU.cpp
@@ -234,7 +234,7 @@ public:
             outWritable = true;
             return noErr;
         case kAudioUnitProperty_SampleRate:
-            DISTRHO_SAFE_ASSERT_UINT_RETURN(inScope == kAudioUnitScope_Global, inScope, kAudioUnitErr_InvalidScope);
+            DISTRHO_SAFE_ASSERT_UINT_RETURN(inScope == kAudioUnitScope_Input || inScope == kAudioUnitScope_Output, inScope, kAudioUnitErr_InvalidScope);
             DISTRHO_SAFE_ASSERT_UINT_RETURN(inElement == 0, inElement, kAudioUnitErr_InvalidElement);
             outDataSize = sizeof(Float64);
             outWritable = true;
@@ -575,7 +575,7 @@ public:
             return noErr;
 
         case kAudioUnitProperty_SampleRate:
-            DISTRHO_SAFE_ASSERT_UINT_RETURN(inScope == kAudioUnitScope_Global, inScope, kAudioUnitErr_InvalidScope);
+            DISTRHO_SAFE_ASSERT_UINT_RETURN(inScope == kAudioUnitScope_Input || inScope == kAudioUnitScope_Output, inScope, kAudioUnitErr_InvalidScope);
             DISTRHO_SAFE_ASSERT_UINT_RETURN(inElement == 0, inElement, kAudioUnitErr_InvalidElement);
             DISTRHO_SAFE_ASSERT_UINT_RETURN(inDataSize == sizeof(Float64), inDataSize, kAudioUnitErr_InvalidPropertyValue);
 
@@ -764,7 +764,7 @@ public:
 
     OSStatus auReset(const AudioUnitScope scope, const AudioUnitElement elem)
     {
-        DISTRHO_SAFE_ASSERT_UINT_RETURN(scope == kAudioUnitScope_Global, scope, kAudioUnitErr_InvalidScope);
+        DISTRHO_SAFE_ASSERT_UINT_RETURN(scope == kAudioUnitScope_Global || scope == kAudioUnitScope_Input || scope == kAudioUnitScope_Output, scope, kAudioUnitErr_InvalidScope);
         DISTRHO_SAFE_ASSERT_UINT_RETURN(elem == 0, elem, kAudioUnitErr_InvalidElement);
 
         // TODO