diff --git a/sysdeps/ieee754/ldbl-96/math_ldbl.h b/sysdeps/ieee754/ldbl-96/math_ldbl.h
index 1a9b027035..cca30657ce 100644
--- a/sysdeps/ieee754/ldbl-96/math_ldbl.h
+++ b/sysdeps/ieee754/ldbl-96/math_ldbl.h
@@ -12,8 +12,8 @@ typedef union
   long double value;
   struct
   {
-    unsigned int sign_exponent:16;
-    int empty:16;
+    int sign_exponent:16;
+    unsigned int empty:16;
     u_int32_t msw;
     u_int32_t lsw;
   } parts;