diff --git a/CHANGES b/CHANGES
index f67b192..5a2c783 100644
--- a/CHANGES
+++ b/CHANGES
@@ -9,6 +9,7 @@ SVN
                 Fix decoding of SDR SDRAM bytes 12-14
                 Add side-by-side formatting option
                 Add merged cells formatting option
+                Try harder to decode the manufacturing date
   decode-xeon: Delete
   i2c-stub-from-dump: Use udev settle to speed up initialization
 
diff --git a/eeprom/decode-dimms b/eeprom/decode-dimms
index 3d2c9e4..f00fab1 100755
--- a/eeprom/decode-dimms
+++ b/eeprom/decode-dimms
@@ -1336,6 +1336,10 @@ sub manufacture_date($$)
 		# Note that this heuristic will break in year 2080
 		return sprintf("%d%02X-W%02X",
 				$year >= 0x80 ? 19 : 20, $year, $week);
+	# Fallback to binary format if it seems to make sense
+	} elsif ($year <= 99 && $week >= 1 && $week <= 53) {
+		return sprintf("%d%02d-W%02d",
+				$year >= 80 ? 19 : 20, $year, $week);
 	} else {
 		return sprintf("0x%02X%02X", $year, $week);
 	}