diff --git a/src/auslib/db.py b/src/auslib/db.py
index da244d7b1b..d2c0476782 100644
--- a/src/auslib/db.py
+++ b/src/auslib/db.py
@@ -1880,7 +1880,7 @@ def getRawMatches():
                 self.log.debug("%s doesn't match %s", rule["version"], updateQuery["version"])
                 continue
             if not matchBuildID(rule["buildID"], updateQuery.get("buildID", "")):
-                self.log.debug("%s doesn't match %s", rule["buildID"], updateQuery["buildID"])
+                self.log.debug("%s doesn't match %s", rule["buildID"], updateQuery.get("buildID"))
                 continue
             if not matchMemory(rule["memory"], updateQuery.get("memory")):
                 self.log.debug("%s doesn't match %s", rule["memory"], updateQuery.get("memory"))
@@ -1889,7 +1889,7 @@ def getRawMatches():
             # specified in a single rule. They are comma delimited, so we need to
             # break them out and create clauses for each one.
             if not matchSimpleExpression(rule["osVersion"], updateQuery.get("osVersion", "")):
-                self.log.debug("%s doesn't match %s", rule["osVersion"], updateQuery["osVersion"])
+                self.log.debug("%s doesn't match %s", rule["osVersion"], updateQuery.get("osVersion"))
                 continue
             if not matchCsv(rule["instructionSet"], updateQuery.get("instructionSet", ""), substring=False):
                 self.log.debug("%s doesn't match %s", rule["instructionSet"], updateQuery.get("instructionSet"))
diff --git a/tests/web/test_json.py b/tests/web/test_json.py
index 40c9cd620a..8c8c5a730c 100644
--- a/tests/web/test_json.py
+++ b/tests/web/test_json.py
@@ -57,6 +57,17 @@ def guardian_db(db_schema):
 """
         ),
     )
+    dbo.rules.t.insert().execute(
+        priority=150,
+        backgroundRate=100,
+        mapping="Guardian-Evil-1.0.0.0",
+        update_type="minor",
+        product="Guardian",
+        channel="release",
+        osVersion="EvilOS",
+        data_version=1,
+        comment="Bogus rule with osVersion set",
+    )
     dbo.rules.t.insert().execute(
         priority=150,
         backgroundRate=100,