diff --git a/extras/vfs/debugging/miniaudio_vfs_debugging.c b/extras/vfs/debugging/miniaudio_vfs_debugging.c
index a447f833..72c6fce3 100644
--- a/extras/vfs/debugging/miniaudio_vfs_debugging.c
+++ b/extras/vfs/debugging/miniaudio_vfs_debugging.c
@@ -46,10 +46,14 @@ static ma_result ma_vfs_debugging_read(ma_vfs* pVFS, ma_vfs_file file, void* pDs
     ma_vfs_debugging* pDebuggingVFS = ma_vfs_debugging_cast(pVFS);
     ma_result result;
 
-    /* Introduce artificial latency if requested. */
-    if (pDebuggingVFS->config.latencyInMilliseconds > 0) {
-        ma_sleep(pDebuggingVFS->config.latencyInMilliseconds);
+    /* Introduce artificial latency if requested. Ignored on Emscripten. */
+    #ifndef __EMSCRIPTEN__
+    {
+        if (pDebuggingVFS->config.latencyInMilliseconds > 0) {
+            ma_sleep(pDebuggingVFS->config.latencyInMilliseconds);
+        }
     }
+    #endif
 
     /*printf("READING\n");*/
 
diff --git a/tests/engine/engine.cpp b/tests/engine/engine.cpp
index 9123bfce..304b0a59 100644
--- a/tests/engine/engine.cpp
+++ b/tests/engine/engine.cpp
@@ -112,7 +112,11 @@ int main(int argc, char** argv)
             }
         }
 
-        ma_sleep(20000);
+        #ifndef __EMSCRIPTEN__
+        {
+            ma_sleep(20000);
+        }
+        #endif
 
         for (size_t i = 0; i < sounds.size(); i += 1) {
             ma_sound_uninit(sounds[i]);