diff --git a/src/lib/netlist/nl_base.h b/src/lib/netlist/nl_base.h
index 6e6b938408d..7828c2f3f61 100644
--- a/src/lib/netlist/nl_base.h
+++ b/src/lib/netlist/nl_base.h
@@ -157,6 +157,7 @@
 
 #include <vector>
 #include <memory>
+#include <cmath>
 
 #include "nl_lists.h"
 #include "nl_time.h"