--- a/dom/media/webaudio/AudioParam.h
+++ b/dom/media/webaudio/AudioParam.h
@@ -24,18 +24,18 @@ class AudioParam final : public nsWrappe
 {
   virtual ~AudioParam();
 
 public:
   AudioParam(AudioNode* aNode,
              uint32_t aIndex,
              const char* aName,
              float aDefaultValue,
-             float aMinValue = -std::numeric_limits<float>::infinity(),
-             float aMaxValue = std::numeric_limits<float>::infinity());
+             float aMinValue = std::numeric_limits<float>::lowest(),
+             float aMaxValue = std::numeric_limits<float>::max());
 
   NS_IMETHOD_(MozExternalRefCountType) AddRef(void);
   NS_IMETHOD_(MozExternalRefCountType) Release(void);
   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(AudioParam)
 
   AudioContext* GetParentObject() const
   {
     return mNode->Context();