diff --git a/encoder/basisu_enc.cpp b/encoder/basisu_enc.cpp
index b427215..7e21d36 100644
--- a/encoder/basisu_enc.cpp
+++ b/encoder/basisu_enc.cpp
@@ -187,6 +187,8 @@
 			opencl_init(opencl_force_serialization);
 		}
 
+		interval_timer::init(); // make sure interval_timer globals are initialized from main thread to avoid TSAN reports
+
 		g_library_initialized = true;
 	}