diff --git a/contrib/pgcrypto/imath.c b/contrib/pgcrypto/imath.c
index b94a51b81a4..801b843cbe3 100644
--- a/contrib/pgcrypto/imath.c
+++ b/contrib/pgcrypto/imath.c
@@ -130,7 +130,8 @@ do{T *u_=(A),*v_=u_+(N)-1;while(u_<v_){T xch=*u_;*u_++=*v_;*v_--=xch;}}while(0)
 #else
 #define CLAMP(Z) \
 do{mp_int z_=(Z);mp_size uz_=MP_USED(z_);mp_digit *dz_=MP_DIGITS(z_)+uz_-1;\
-while(uz_ > 1 && (*dz_-- == 0)) --uz_;MP_USED(z_)=uz_;}while(0)
+while(uz_ > 1 && (*dz_-- == 0)) --uz_;\
+MP_USED(z_)=uz_;}while(0)
 #endif
 
 #undef MIN