diff --git a/Modules/mpzmodule.c b/Modules/mpzmodule.c
index 2653a95..e701d85 100644
--- a/Modules/mpzmodule.c
+++ b/Modules/mpzmodule.c
@@ -93,16 +93,12 @@
 
 #include "gmp.h"
 
-#if defined __GLIBC__ && __GLIBC__ >= 2 /*aid building on Linux distributions*/
-#define BITS_PER_MP_LIMB mp_bits_per_limb
-#else
-#include "gmp-mparam.h"
-#endif
-
 #if __GNU_MP__ + 0 == 2
 #define GMP2
+#define BITS_PER_MP_LIMB mp_bits_per_limb
 #else
 #define MPZ_GET_STR_BUG
+#include "gmp-mparam.h"
 #endif
 
 typedef struct {