diff --git a/main/lowpower_uat.go b/main/lowpower_uat.go
index 321cbe52..1fb319c6 100644
--- a/main/lowpower_uat.go
+++ b/main/lowpower_uat.go
@@ -12,7 +12,7 @@ import (
 
 /*
 
-#cgo LDFLAGS: -ldump978
+#cgo LDFLAGS: -ldump978 -lm
 
 #include <stdint.h>
 #include "../dump978/fec.h"