diff --git a/YUViewLib/src/parser/HEVC/Extensions/delta_dlt.cpp b/YUViewLib/src/parser/HEVC/Extensions/delta_dlt.cpp
index 3f555a770..f4cc1efa1 100644
--- a/YUViewLib/src/parser/HEVC/Extensions/delta_dlt.cpp
+++ b/YUViewLib/src/parser/HEVC/Extensions/delta_dlt.cpp
@@ -34,6 +34,8 @@
 
 #include <parser/common/Functions.h>
 
+#include <cmath>
+
 namespace parser::hevc
 {