diff --git a/magic/Magdir/msooxml b/magic/Magdir/msooxml
index bde098e..7d0bcc7 100644
--- a/magic/Magdir/msooxml
+++ b/magic/Magdir/msooxml
@@ -28,16 +28,16 @@
 # skip to the second local file header
 # since some documents include a 520-byte extra field following the file
 # header, we need to scan for the next header
->>(18.l+49)	search/2000	PK\003\004
+>>(18.l+49)	search/6000	PK\003\004
 # now skip to the *third* local file header; again, we need to scan due to a
 # 520-byte extra field following the file header
->>>&26		search/1000	PK\003\004
+>>>&26		search/6000	PK\003\004
 # and check the subdirectory name to determine which type of OOXML
 # file we have.  Correct the mimetype with the registered ones:
 # http://technet.microsoft.com/en-us/library/cc179224.aspx
 >>>>&26		use		msooxml	
 >>>>&26		default		x
 # OpenOffice/Libreoffice orders ZIP entry differently, so check the 4th file
->>>>>&26	search/1000	PK\003\004
+>>>>>&26	search/6000	PK\003\004
 >>>>>>&26	use		msooxml	
 >>>>>>&26	default		x		Microsoft OOXML