diff --git a/psrdada_cpp/meerkat/fbfuse/src/PipelineConfig.cpp b/psrdada_cpp/meerkat/fbfuse/src/PipelineConfig.cpp
index dcbbb5226582f22fea32c277d04c9b769f38e86a..6f0f483f2c8efa8db4bf8d0d0de258a29b07856b 100644
--- a/psrdada_cpp/meerkat/fbfuse/src/PipelineConfig.cpp
+++ b/psrdada_cpp/meerkat/fbfuse/src/PipelineConfig.cpp
@@ -1,5 +1,6 @@
 #include "psrdada_cpp/meerkat/fbfuse/PipelineConfig.hpp"
 #include <fstream>
+#include <cmath>
 
 namespace psrdada_cpp {
 namespace meerkat {