diff --git a/include/minix/vfsif.h b/include/minix/vfsif.h
index 71ae426c4..e2e4752cc 100644
--- a/include/minix/vfsif.h
+++ b/include/minix/vfsif.h
@@ -47,8 +47,7 @@
 #define RES_MODE		m9_s2
 #define RES_NBYTES		m9_l5
 #define RES_OFFSET		m9_s2
-#define RES_SEEK_POS_HI		m9_l3
-#define RES_SEEK_POS_LO		m9_l4
+#define RES_SEEK_POS		m9_ull2
 #define RES_SYMLOOP		m9_s3
 #define RES_UID			m9_s4
 #define	RES_FLAGS		m9_s3
diff --git a/lib/libpuffs/read.c b/lib/libpuffs/read.c
index 299517fb8..ded210067 100644
--- a/lib/libpuffs/read.c
+++ b/lib/libpuffs/read.c
@@ -98,7 +98,7 @@ int fs_readwrite(void)
 
   if (r != OK) return(EINVAL);
 
-  fs_m_out.RES_SEEK_POS_LO = pos + bytes_done;
+  fs_m_out.RES_SEEK_POS = pos + bytes_done;
   fs_m_out.RES_NBYTES = bytes_done;
 
   return(r);
@@ -172,7 +172,7 @@ int fs_getdents(void)
   update_timens(pn, ATIME, NULL);
 
   fs_m_out.RES_NBYTES = written;
-  fs_m_out.RES_SEEK_POS_LO = pos;
+  fs_m_out.RES_SEEK_POS = pos;
 
   return(OK);
 }
diff --git a/lib/libsffs/read.c b/lib/libsffs/read.c
index ef9acc374..180aafe87 100644
--- a/lib/libsffs/read.c
+++ b/lib/libsffs/read.c
@@ -67,8 +67,7 @@ int do_read(void)
   if (r < 0)
 	return r;
 
-  m_out.RES_SEEK_POS_HI = ex64hi(pos);
-  m_out.RES_SEEK_POS_LO = ex64lo(pos);
+  m_out.RES_SEEK_POS = pos;
   m_out.RES_NBYTES = off;
 
   return OK;
@@ -229,8 +228,7 @@ int do_getdents(void)
 	user_off += off;
   }
 
-  m_out.RES_SEEK_POS_HI = 0;
-  m_out.RES_SEEK_POS_LO = pos;
+  m_out.RES_SEEK_POS = pos;
   m_out.RES_NBYTES = user_off;
 
   return OK;
diff --git a/lib/libsffs/write.c b/lib/libsffs/write.c
index ce6282a72..68fe2402c 100644
--- a/lib/libsffs/write.c
+++ b/lib/libsffs/write.c
@@ -103,8 +103,7 @@ int do_write(void)
   if ((r = write_file(ino, &pos, &count, &grant)) != OK)
 	return r;
 
-  m_out.RES_SEEK_POS_HI = ex64hi(pos);
-  m_out.RES_SEEK_POS_LO = ex64lo(pos);
+  m_out.RES_SEEK_POS = pos;
   m_out.RES_NBYTES = count;
 
   return OK;
diff --git a/lib/libvtreefs/read.c b/lib/libvtreefs/read.c
index ca8a50cda..3de271d20 100644
--- a/lib/libvtreefs/read.c
+++ b/lib/libvtreefs/read.c
@@ -57,8 +57,7 @@ int fs_read(void)
 	}
 
 	if (r == OK) {
-		fs_m_out.RES_SEEK_POS_HI = 0;
-		fs_m_out.RES_SEEK_POS_LO = pos + len;
+		fs_m_out.RES_SEEK_POS = pos + len;
 		fs_m_out.RES_NBYTES = len;
 	}
 
@@ -207,8 +206,7 @@ int fs_getdents(void)
 		user_off += off;
 	}
 
-	fs_m_out.RES_SEEK_POS_HI = 0;
-	fs_m_out.RES_SEEK_POS_LO = pos;
+	fs_m_out.RES_SEEK_POS = pos;
 	fs_m_out.RES_NBYTES = user_off;
 
 	return OK;
diff --git a/servers/ext2/read.c b/servers/ext2/read.c
index c1cb257c5..be856b578 100644
--- a/servers/ext2/read.c
+++ b/servers/ext2/read.c
@@ -106,7 +106,7 @@ int fs_readwrite(void)
 	position += (off_t) chunk;    /* position within the file */
   }
 
-  fs_m_out.RES_SEEK_POS_LO = position; /* It might change later and the VFS
+  fs_m_out.RES_SEEK_POS = position; /* It might change later and the VFS
                                            has to know this value */
 
   /* On write, update file size and access time. */
@@ -190,8 +190,7 @@ int fs_breadwrite(void)
 	  position += chunk;	/* position within the file */
   }
 
-  fs_m_out.RES_SEEK_POS_LO = ex64lo(position);
-  fs_m_out.RES_SEEK_POS_HI = ex64hi(position);
+  fs_m_out.RES_SEEK_POS = position;
 
   if (rdwt_err != OK) r = rdwt_err;     /* check for disk error */
   if (rdwt_err == END_OF_FILE) r = OK;
@@ -761,7 +760,7 @@ int fs_getdents(void)
 	r = EINVAL;           /* The user's buffer is too small */
   else {
 	fs_m_out.RES_NBYTES = userbuf_off;
-	fs_m_out.RES_SEEK_POS_LO = new_pos;
+	fs_m_out.RES_SEEK_POS = new_pos;
 	rip->i_update |= ATIME;
 	rip->i_dirt = IN_DIRTY;
 	r = OK;
diff --git a/servers/iso9660fs/read.c b/servers/iso9660fs/read.c
index 36b0dfea4..cec013a0a 100644
--- a/servers/iso9660fs/read.c
+++ b/servers/iso9660fs/read.c
@@ -67,7 +67,7 @@ int fs_read(void) {
 	position += chunk;	/* position within the file */
   }
 
-  fs_m_out.RES_SEEK_POS_LO = position; 
+  fs_m_out.RES_SEEK_POS = position; 
   
   if (rdwt_err != OK) r = rdwt_err;	/* check for disk error */
   if (rdwt_err == END_OF_FILE) r = OK;
@@ -125,8 +125,7 @@ int fs_bread(void)
     position += chunk;	/* position within the file */
   }
   
-  fs_m_out.RES_SEEK_POS_LO = ex64lo(position); 
-  fs_m_out.RES_SEEK_POS_HI = ex64hi(position); 
+  fs_m_out.RES_SEEK_POS = position; 
   
   if (rdwt_err != OK) r = rdwt_err;	/* check for disk error */
   if (rdwt_err == END_OF_FILE) r = OK;
@@ -279,7 +278,7 @@ int fs_getdents(void)
   }
   
   fs_m_out.RES_NBYTES = userbuf_off;
-  fs_m_out.RES_SEEK_POS_LO = cur_pos;
+  fs_m_out.RES_SEEK_POS = cur_pos;
 
   release_dir_record(dir);		/* release the inode */
   return(OK);
diff --git a/servers/mfs/read.c b/servers/mfs/read.c
index f38e157dc..b89afd452 100644
--- a/servers/mfs/read.c
+++ b/servers/mfs/read.c
@@ -113,7 +113,7 @@ int fs_readwrite(void)
 	  position += (off_t) chunk;	/* position within the file */
   }
 
-  fs_m_out.RES_SEEK_POS_LO = position; /* It might change later and the VFS
+  fs_m_out.RES_SEEK_POS = position; /* It might change later and the VFS
 					   has to know this value */
   
   /* On write, update file size and access time. */
@@ -199,8 +199,7 @@ int fs_breadwrite(void)
 	  position += chunk;	/* position within the file */
   }
   
-  fs_m_out.RES_SEEK_POS_LO = ex64lo(position); 
-  fs_m_out.RES_SEEK_POS_HI = ex64hi(position); 
+  fs_m_out.RES_SEEK_POS = position; 
   
   if (lmfs_rdwt_err() != OK) r = lmfs_rdwt_err();	/* check for disk error */
   if (lmfs_rdwt_err() == END_OF_FILE) r = OK;
@@ -731,7 +730,7 @@ int fs_getdents(void)
 	  r = EINVAL;		/* The user's buffer is too small */
   else {
 	  fs_m_out.RES_NBYTES = userbuf_off;
-	  fs_m_out.RES_SEEK_POS_LO = new_pos;
+	  fs_m_out.RES_SEEK_POS = new_pos;
 	  if(!rip->i_sp->s_rd_only) {
 		  rip->i_update |= ATIME;
 		  IN_MARKDIRTY(rip);
diff --git a/servers/pfs/read.c b/servers/pfs/read.c
index f5359a096..157ed67cb 100644
--- a/servers/pfs/read.c
+++ b/servers/pfs/read.c
@@ -87,7 +87,7 @@ int fs_readwrite(message *fs_m_in, message *fs_m_out)
   if (rw_flag == READING) rip->i_update |= ATIME;
   if (rw_flag == WRITING) rip->i_update |= CTIME | MTIME;
   fs_m_out->RES_NBYTES = (size_t) cum_io;
-  fs_m_out->RES_SEEK_POS_LO = rip->i_size;
+  fs_m_out->RES_SEEK_POS = rip->i_size;
 
   put_inode(rip);
   put_block(rip->i_dev, rip->i_num);
diff --git a/servers/vfs/request.c b/servers/vfs/request.c
index 106f2b267..81740c6f1 100644
--- a/servers/vfs/request.c
+++ b/servers/vfs/request.c
@@ -61,7 +61,7 @@ int req_breadwrite(
   if (r != OK) return(r);
 
   /* Fill in response structure */
-  *new_pos = make64(m.RES_SEEK_POS_LO, m.RES_SEEK_POS_HI);
+  *new_pos = m.RES_SEEK_POS;
   *cum_iop = m.RES_NBYTES;
 
   return(OK);
@@ -328,11 +328,7 @@ int req_getdents(
   cpf_revoke(grant_id);
 
   if (r == OK) {
-	if (vmp->m_fs_flags & RES_64BIT) {
-		*new_pos = make64(m.RES_SEEK_POS_LO, m.RES_SEEK_POS_HI);
-	} else {
-		*new_pos = m.RES_SEEK_POS_LO;
-	}
+	*new_pos = m.RES_SEEK_POS;
 	r = m.RES_NBYTES;
   }
 
@@ -831,11 +827,7 @@ unsigned int *cum_iop)
 
   if (r == OK) {
 	/* Fill in response structure */
-	if (vmp->m_fs_flags & RES_64BIT) {
-		*new_posp = make64(m.RES_SEEK_POS_LO, m.RES_SEEK_POS_HI);
-	} else {
-		*new_posp = m.RES_SEEK_POS_LO;
-	}
+	*new_posp = m.RES_SEEK_POS;
 	*cum_iop = m.RES_NBYTES;
   }