diff --git a/Grid/algorithms/approx/bigfloat.h b/Grid/algorithms/approx/bigfloat.h
index a749fa81..f1e60563 100644
--- a/Grid/algorithms/approx/bigfloat.h
+++ b/Grid/algorithms/approx/bigfloat.h
@@ -10,10 +10,12 @@
 #ifndef INCLUDED_BIGFLOAT_H
 #define INCLUDED_BIGFLOAT_H
 
-
+#define __GMP_WITHIN_CONFIGURE
 #include <gmp.h>
 #include <mpf2mpfr.h>
 #include <mpfr.h>
+#undef  __GMP_WITHIN_CONFIGURE
+
 class bigfloat {
 
 private: