diff --git a/soh/soh/frame_interpolation.cpp b/soh/soh/frame_interpolation.cpp
index 5c38d690c..bd85d41ce 100644
--- a/soh/soh/frame_interpolation.cpp
+++ b/soh/soh/frame_interpolation.cpp
@@ -3,6 +3,7 @@
 #include <vector>
 #include <map>
 #include <unordered_map>
+#include <math.h>
 
 #include "frame_interpolation.h"