diff --git a/klamath/records.py b/klamath/records.py
index 30c8cc3..d5ac938 100644
--- a/klamath/records.py
+++ b/klamath/records.py
@@ -18,7 +18,7 @@ class HEADER(Int2Record):
 
 class BGNLIB(DateTimeRecord):
     tag = 0x0102
-    expected_size = 6 * 2
+    expected_size = 2 * 6 * 2
 
 
 class LIBNAME(ASCIIRecord):
@@ -37,7 +37,7 @@ class ENDLIB(NoDataRecord):
 
 class BGNSTR(DateTimeRecord):
     tag = 0x0502
-    expected_size = 6 * 2
+    expected_size = 2 * 6 * 2
 
 
 class STRNAME(ASCIIRecord):
@@ -222,7 +222,6 @@ class PROPATTR(Int2Record):
 
 class PROPVALUE(ASCIIRecord):
     tag = 0x2c06
-    expected_size = 2
 
 
 class BOX(NoDataRecord):