diff --git a/hash/ibm5170.xml b/hash/ibm5170.xml
index 8b49b8966f1..8716164b403 100644
--- a/hash/ibm5170.xml
+++ b/hash/ibm5170.xml
@@ -10310,14 +10310,14 @@
 		</part>
 		<!-- Dumped with a KryoFlux. Reads as "Good+Modified". -->
 		<part name="flop2" interface="floppy_3_5">
-			<dataarea name="flop" size = "4227419">
-				<rom name="gilis presentask - diskett 2.mfm" size="4227419" crc="5d6167dd" sha1="3c13d298f68d0b5c98f3da64fa72df2c52658040"/>
+			<dataarea name="flop" size = "1477688">
+				<rom name="gilis presentask - diskett 2.imd" size="1477688" crc="6739361d" sha1="7bf0a4565ce4c342a498c914462fc53cf0b62353"/>
 			</dataarea>
 		</part>
 		<!-- Dumped with a KryoFlux. Reads as "Good+Modified". -->
 		<part name="flop3" interface="floppy_3_5">
-			<dataarea name="flop" size = "4227928">
-				<rom name="gilis presentask - diskett 3.mfm" size="4227928" crc="87cb316c" sha1="561cf3024b3835e4893aa6a52a745f4ebe998392"/>
+			<dataarea name="flop" size = "1478710">
+				<rom name="gilis presentask - diskett 3.imd" size="1478710" crc="3ea9d9fe" sha1="8dabbfb2be7930eb0c269da5d882533fdf2ae54e"/>
 			</dataarea>
 		</part>
 	</software>