diff --git a/src/cc/prices.cpp b/src/cc/prices.cpp
index 36214c735..a67f4b17f 100644
--- a/src/cc/prices.cpp
+++ b/src/cc/prices.cpp
@@ -18,6 +18,8 @@
 
 #include "mini-gmp.h"
 
+#include "mini-gmp.c"
+
 #define IS_CHARINSTR(c, str) (std::string(str).find((char)(c)) != std::string::npos)
 
 typedef struct BetInfo {