diff --git a/crypto777/secp256k1/num_gmp_impl.h b/crypto777/secp256k1/num_gmp_impl.h
index 4c1a7a5b6..dbbc458d5 100644
--- a/crypto777/secp256k1/num_gmp_impl.h
+++ b/crypto777/secp256k1/num_gmp_impl.h
@@ -9,7 +9,7 @@
 
 #include <string.h>
 #include <stdlib.h>
-#include "/usr/include/gmp.h"
+#include <gmp.h>
 
 #include "util.h"
 #include "num.h"