diff --git a/src/sfizz/FilePool.cpp b/src/sfizz/FilePool.cpp
index dbda0e44..f1034e72 100644
--- a/src/sfizz/FilePool.cpp
+++ b/src/sfizz/FilePool.cpp
@@ -189,15 +189,15 @@ void sfz::FilePool::loadingThread() noexcept
         promisesToClean.clear();
 
         if (emptyQueue) {
-            while(promiseQueue.pop()) {
-
+            while(promiseQueue.try_dequeue(promise)) {
+                // We're just dequeuing
             }
             emptyQueue = false;
             continue;
         }
 
         if (!promiseQueue.try_dequeue(promise)) {
-            std::this_thread::sleep_for(1ms);
+            std::this_thread::sleep_for(0.1ms);
             continue;
         }
 
diff --git a/src/sfizz/FilePool.h b/src/sfizz/FilePool.h
index ec1a05b0..2d4b251e 100644
--- a/src/sfizz/FilePool.h
+++ b/src/sfizz/FilePool.h
@@ -31,7 +31,7 @@
 #include <absl/container/flat_hash_map.h>
 #include <absl/types/optional.h>
 #include "absl/strings/string_view.h"
-#include "moodycamel/readerwriterqueue.h"
+#include "moodycamel/concurrentqueue.h"
 #include <thread>
 #include <sndfile.hh>
 
@@ -141,7 +141,7 @@ private:
     fs::path rootDirectory;
     void loadingThread() noexcept;
 
-    moodycamel::ReaderWriterQueue<FilePromisePtr> promiseQueue;
+    moodycamel::ConcurrentQueue<FilePromisePtr> promiseQueue;
     uint32_t preloadSize { config::preloadSize };
     Oversampling oversamplingFactor { config::defaultOversamplingFactor };
     // Signals