diff --git a/src/p_unix.h b/src/p_unix.h
index ce4d3d06..53793c4a 100644
--- a/src/p_unix.h
+++ b/src/p_unix.h
@@ -93,8 +93,8 @@ protected:
 
     // must agree with stub/linux.hh
     __packed_struct(b_info) // 12-byte header before each compressed block
-        unsigned sz_unc;  // uncompressed_size
-        unsigned sz_cpr;  //   compressed_size
+        NE32 sz_unc;  // uncompressed_size
+        NE32 sz_cpr;  //   compressed_size
         unsigned char b_method;  // compression algorithm
         unsigned char b_ftid;  // filter id
         unsigned char b_cto8;  // filter parameter
@@ -110,9 +110,9 @@ protected:
     __packed_struct_end()
 
     __packed_struct(p_info) // 12-byte packed program header
-        unsigned p_progid;
-        unsigned p_filesize;
-        unsigned p_blocksize;
+        NE32 p_progid;
+        NE32 p_filesize;
+        NE32 p_blocksize;
     __packed_struct_end()
 
     struct l_info linfo;
diff --git a/src/p_vmlinx.cpp b/src/p_vmlinx.cpp
index 5bee9caf..cc57fc4f 100644
--- a/src/p_vmlinx.cpp
+++ b/src/p_vmlinx.cpp
@@ -318,13 +318,13 @@ void PackVmlinuxBase<T>::pack(OutputFile *fo)
             throwInternalError("Ehdr compression failed");
 
         __packed_struct(b_info) // 12-byte header before each compressed block
-            unsigned sz_unc;  // uncompressed_size
-            unsigned sz_cpr;  //   compressed_size
+            NE32 sz_unc;  // uncompressed_size
+            NE32 sz_cpr;  //   compressed_size
             unsigned char b_method;  // compression algorithm
             unsigned char b_ftid;  // filter id
             unsigned char b_cto8;  // filter parameter
             unsigned char b_unused;  // FIXME: !=0  for partial-block unfilter
-            // unsigned f_offset, f_len;  // only if    partial-block unfilter
+            // NE32 f_offset, f_len;  // only if    partial-block unfilter
         __packed_struct_end()
 
         struct b_info hdr_info;