diff --git a/bin/sarif-results-summary b/bin/sarif-results-summary
index 127e751..5f7a668 100755
--- a/bin/sarif-results-summary
+++ b/bin/sarif-results-summary
@@ -71,6 +71,10 @@ for runi in S.indices(sarif_struct, 'runs'):
                             else:
                                 S.msg("REFERENCE: %s: %s\n\n" % ("<NoFile>", message))
                         else:
+                            if region == S.WholeFile:
+                                l1, c1, l2, c2 = -1, -1, -1, -1
+                            else:
+                                l1, c1, l2, c2 = S.lineinfo(region)
                             l1, c1, l2, c2 = S.lineinfo(region)
                             filepath = "%s:%d:%d:%d:%d" % (artifact['uri'], l1, c1, l2, c2)
                             if args.csv:
@@ -97,7 +101,10 @@ for runi in S.indices(sarif_struct, 'runs'):
                             else:
                                 S.msg("FLOW STEP %d: %s: %s\n\n" % (loci, "<NoFile>", message))
                         else:
-                            l1, c1, l2, c2 = S.lineinfo(region)
+                            if region == S.WholeFile:
+                                l1, c1, l2, c2 = -1, -1, -1, -1
+                            else:
+                                l1, c1, l2, c2 = S.lineinfo(region)
                             filepath = "%s:%d:%d:%d:%d" % (artifact['uri'], l1, c1, l2, c2)
                             if args.csv:
                                 S.write_csv(cw, "flow_step", loci, artifact['uri'], l1, c1, l2, c2, message)
diff --git a/sarif_cli/__init__.py b/sarif_cli/__init__.py
index b31d887..51722bd 100644
--- a/sarif_cli/__init__.py
+++ b/sarif_cli/__init__.py
@@ -45,11 +45,13 @@ def get_relatedlocation_message_info(related_location):
 
     Returns:  (message, artifact, region) by default
         For an empty 'physicalLocation' key, returns (message, sarif_cli.NoFile, sarif_cli.NoFile)
+        For an empty 'region' key, returns (message, artifact, sarif_cli.WholeFile)
     """
     message = get(related_location, 'message', 'text')
     if 'physicalLocation' in related_location: 
-        artifact = get(related_location, 'physicalLocation', 'artifactLocation')
-        region = get(related_location, 'physicalLocation', 'region')
+        ploc = get(related_location, 'physicalLocation')
+        artifact = ploc.get('artifactLocation')
+        region = ploc.get('region', WholeFile)
     else:
         artifact, region = NoFile, NoFile
     return message, artifact, region