diff --git a/ports/sysdeps/unix/sysv/linux/generic/bits/stat.h b/ports/sysdeps/unix/sysv/linux/generic/bits/stat.h
index 6e74cec..feb5f2b 100644
--- a/ports/sysdeps/unix/sysv/linux/generic/bits/stat.h
+++ b/ports/sysdeps/unix/sysv/linux/generic/bits/stat.h
@@ -46,10 +46,10 @@
 # define __field64(type, type64, name) type name
 #elif __BYTE_ORDER == __LITTLE_ENDIAN
 # define __field64(type, type64, name) \
-  type name __attribute__((__aligned__(8))); int __##name##_pad
+  type name __attribute__((__aligned__ (__alignof__ (type64)))); int __##name##_pad
 #else
 # define __field64(type, type64, name) \
-  int __##name##_pad __attribute__((__aligned__(8))); type name
+  int __##name##_pad __attribute__((__aligned__ (__alignof__ (type64)))); type name
 #endif
 
 struct stat
diff --git a/ports/sysdeps/unix/sysv/linux/generic/bits/statfs.h b/ports/sysdeps/unix/sysv/linux/generic/bits/statfs.h
index 7063c7a..8aecb04 100644
--- a/ports/sysdeps/unix/sysv/linux/generic/bits/statfs.h
+++ b/ports/sysdeps/unix/sysv/linux/generic/bits/statfs.h
@@ -38,10 +38,10 @@
 # define __field64(type, type64, name) type name
 #elif __BYTE_ORDER == __LITTLE_ENDIAN
 # define __field64(type, type64, name) \
-  type name __attribute__((__aligned__(8))); int __##name##_pad
+  type name __attribute__((__aligned__ (__alignof__ (type64)))); int __##name##_pad
 #else
 # define __field64(type, type64, name) \
-  int __##name##_pad __attribute__((__aligned__(8))); type name
+  int __##name##_pad __attribute__((__aligned__ (__alignof__ (type64)))); type name
 #endif
 
 struct statfs
@@ -58,7 +58,7 @@ struct statfs
     __SWORD_TYPE f_frsize;
     __SWORD_TYPE f_flags;
     __SWORD_TYPE f_spare[4];
-  } __attribute__((__aligned__(8)));
+  };
 
 #undef __field64
 
@@ -77,7 +77,7 @@ struct statfs64
     __SWORD_TYPE f_frsize;
     __SWORD_TYPE f_flags;
     __SWORD_TYPE f_spare[4];
-  } __attribute__((__aligned__(8)));
+  };
 #endif
 
 /* Tell code we have these members.  */