diff --git a/lib/modifiedAudioAPI.js b/lib/modifiedAudioAPI.js
index 62d382f..77a5509 100644
--- a/lib/modifiedAudioAPI.js
+++ b/lib/modifiedAudioAPI.js
@@ -119,8 +119,8 @@
 					array[index] = value;
 				});
 				if (prefs("useAudioCache")){
-					floatCache[hash] = new window.Float32Array(array);
-					floatCache[hashing(array)] = new window.Float32Array(array);
+					floatCache[hash] = new array.constructor(array);
+					floatCache[hashing(array)] = floatCache[hash];
 				}
 			}
 			else {
@@ -143,8 +143,8 @@
 					array[index] = rng(array[index], i);
 				});
 				if (prefs("useAudioCache")){
-					intCache[hash] = new window.Uint8Array(array);
-					intCache[hashing(array)] = new window.Uint8Array(array);
+					intCache[hash] = new array.constructor(array);
+					intCache[hashing(array)] = intCache[hash];
 				}
 			}
 			else {
diff --git a/releaseNotes.txt b/releaseNotes.txt
index 1ce1a0e..b096ee2 100644
--- a/releaseNotes.txt
+++ b/releaseNotes.txt
@@ -26,6 +26,7 @@ Version 0.5.9:
 		- improved general performance when stack list is disabled
 		- preventing double interception (increased performance and reduced detectability)
 		- detection over navigator and DOMRect getters was possible
+		- audio cache could break readout
 	
 	known issues:
 		- if a data URL is blocked the page action button does not appear