diff --git a/encoder/basisu_enc.cpp b/encoder/basisu_enc.cpp
index 7e21d365..c431ceaf 100644
--- a/encoder/basisu_enc.cpp
+++ b/encoder/basisu_enc.cpp
@@ -229,7 +229,7 @@ namespace basisu
 	{
 		QueryPerformanceFrequency(reinterpret_cast<LARGE_INTEGER*>(pTicks));
 	}
-#elif defined(__APPLE__) || defined(__FreeBSD__) || defined(__OpenBSD__)
+#elif defined(__APPLE__) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__EMSCRIPTEN__)
 #include <sys/time.h>
 	inline void query_counter(timer_ticks* pTicks)
 	{