diff --git a/src/constants/file.asm b/src/constants/file.asm
index 55c72f6..a802669 100644
--- a/src/constants/file.asm
+++ b/src/constants/file.asm
@@ -41,23 +41,23 @@ section .rodata
 	S_ISGID		equ	0002000q ;set-group-ID bit
 	S_ISUID		equ	0004000q ;set-user-ID bit
 	; Stat buffer fields
-        ST_DEV          equ     0       ; Device
-        ST_INO          equ     8       ; File serial number
-        ST_NLINK        equ     16
-        ST_MODE         equ     24      ; File mode
-        ST_UID          equ     28      ; User ID of the file's owner
-        ST_GID          equ     32      ; Group ID of the file's group
+        ST_DEV          equ     0       ; Device				unsigned
+        ST_INO          equ     8       ; File serial number			unsigned
+        ST_NLINK        equ     16	; Number of links			unsigned
+        ST_MODE         equ     24      ; File mode				unsigned, 4 bytes
+        ST_UID          equ     28      ; User ID of the file's owner		unsigned, 4 bytes
+        ST_GID          equ     32      ; Group ID of the file's group		unsigned, 4 bytes
         ST__PAD0        equ     36
-        ST_RDEV         equ     40      ; Device number, if device
-        ST_SIZE         equ     48      ; Size of file, in bytes
-        ST_BLKSIZE      equ     56      ; Optimal block size for I/O
-        ST_BLOCKS       equ     64      ; Number 512-byte blocks allocated
-        ST_ATIME        equ     72      ; Time of last access
-        ST_ATIME_NSEC   equ     80
-        ST_MTIME        equ     88      ; Time of last modification
-        ST_MTIME_NSEC   equ     96
-        ST_CTIME        equ     104     ; Time of last status change
-        ST_CTIME_NSEC   equ     112
+        ST_RDEV         equ     40      ; Device number, if device		unsigned
+        ST_SIZE         equ     48      ; Size of file, in bytes		  signed
+        ST_BLKSIZE      equ     56      ; Optimal block size for I/O		  signed
+        ST_BLOCKS       equ     64      ; Number 512-byte blocks allocated	  signed
+        ST_ATIME        equ     72      ; Time of last access			unsigned
+        ST_ATIME_NSEC   equ     80	;					unsigned
+        ST_MTIME        equ     88      ; Time of last modification		unsigned
+        ST_MTIME_NSEC   equ     96	;					unsigned
+        ST_CTIME        equ     104     ; Time of last status change		unsigned
+        ST_CTIME_NSEC   equ     112	;					unsigned
         ST__UNUSED      equ     120
         ST__END         equ     128     ; End of stat buffer
 	STATBUFF_SIZE	equ	ST__END
diff --git a/src/tests.asm b/src/tests.asm
index 376ad78..891f695 100644
--- a/src/tests.asm
+++ b/src/tests.asm
@@ -361,9 +361,9 @@ section .rodata
 			db	"\tFile size: %d\n"
 			db	"\tBlock size: %d\n"
 			db	"\tBlocks: %d\n"
-			db	"\tatime: %d.%u\n"
-			db	"\tmtime: %d.%u\n"
-			db	"\tctime: %d.%u\n",EOS
+			db	"\tatime: %u.%u\n"
+			db	"\tmtime: %u.%u\n"
+			db	"\tctime: %u.%u\n",EOS
 	;fgettype()
 	addTestHeader(_fgettype, "fgettype")
 	addTest(fgettype1, "fgettype(statBuffer)")