diff --git a/lib/ole/types/property_set.rb b/lib/ole/types/property_set.rb
index b8d85acbaa..b997fd95d8 100644
--- a/lib/ole/types/property_set.rb
+++ b/lib/ole/types/property_set.rb
@@ -23,8 +23,9 @@ module Ole
 			}
 
 			# define a smattering of the property set guids. 
-			DATA = YAML.load_file(File.dirname(__FILE__) + '/../../../data/propids.yaml').
-				inject({}) { |hash, (key, value)| hash.update Clsid.parse(key) => value }
+			DATA = YAML.load_file(File.join(File.dirname(__FILE__), 'propids.yaml')).inject({}) { |hash, (key, value)| 
+				hash.update Clsid.parse(key) => value 
+			}
 
 			# create an inverted map of names to guid/key pairs
 			PROPERTY_MAP = DATA.inject({}) do |h1, (guid, data)|
diff --git a/lib/ole/types/propids.yaml b/lib/ole/types/propids.yaml
new file mode 100644
index 0000000000..9ac43ffe1d
--- /dev/null
+++ b/lib/ole/types/propids.yaml
@@ -0,0 +1,56 @@
+"{f29f85e0-4ff9-1068-ab91-08002b27b3d9}":
+  - FMTID_SummaryInformation
+  - 2:  doc_title
+    3:  doc_subject
+    4:  doc_author
+    5:  doc_keywords
+    6:  doc_comments
+    7:  doc_template
+    8:  doc_last_author
+    9:  doc_rev_number
+    10: doc_edit_time
+    11: doc_last_printed
+    12: doc_created_time
+    13: doc_last_saved_time
+    14: doc_page_count
+    15: doc_word_count
+    16: doc_char_count
+    18: doc_app_name
+    19: security
+
+"{d5cdd502-2e9c-101b-9397-08002b2cf9ae}":
+  - FMTID_DocSummaryInfo
+  - 2:  doc_category
+    3:  doc_presentation_target
+    4:  doc_byte_count
+    5:  doc_line_count
+    6:  doc_para_count
+    7:  doc_slide_count
+    8:  doc_note_count
+    9:  doc_hidden_count
+    10: mmclips
+    11: scale_crop
+    12: heading_pairs
+    13: doc_part_titles
+    14: doc_manager
+    15: doc_company
+    16: links_up_to_date
+
+"{d5cdd505-2e9c-101b-9397-08002b2cf9ae}":
+  - FMTID_UserDefinedProperties
+  - {}
+
+# just dumped these all here. if i can confirm any of these
+# better, i can update this file so they're recognized.
+#0b63e343-9ccc-11d0-bcdb-00805fccce04
+#0b63e350-9ccc-11d0-bcdb-00805fccce04 NetLibrary propset?
+#31f400a0-fd07-11cf-b9bd-00aa003db18e ScriptInfo propset?
+#49691c90-7e17-101a-a91c-08002b2ecda9 Query propset?
+#560c36c0-503a-11cf-baa1-00004c752a9a
+#70eb7a10-55d9-11cf-b75b-00aa0051fe20 HTMLInfo propset
+#85ac0960-1819-11d1-896f-00805f053bab message propset?
+#aa568eec-e0e5-11cf-8fda-00aa00a14f93 NNTP SummaryInformation propset?
+#b725f130-47ef-101a-a5f1-02608c9eebac Storage propset
+#c82bf596-b831-11d0-b733-00aa00a1ebd2 NetLibraryInfo propset
+#c82bf597-b831-11d0-b733-00aa00a1ebd2 LinkInformation propset?
+#d1b5d3f0-c0b3-11cf-9a92-00a0c908dbf1 LinkInformation propset?