diff --git a/python/ql/src/Security/CWE-285/PamAuthorization.ql b/python/ql/src/Security/CWE-285/PamAuthorization.ql
index 3093bcf21d5..43cbc33917a 100644
--- a/python/ql/src/Security/CWE-285/PamAuthorization.ql
+++ b/python/ql/src/Security/CWE-285/PamAuthorization.ql
@@ -18,5 +18,5 @@ import semmle.python.security.dataflow.PamAuthorizationQuery
 from Configuration config, DataFlow::PathNode source, DataFlow::PathNode sink
 where config.hasFlowPath(source, sink)
 select sink.getNode(), source, sink,
-  "This PAM authentication depends on a $@, and `pam_acct_mgmt` is not called afterwards.",
+  "This PAM authentication depends on a $@, and 'pam_acct_mgmt' is not called afterwards.",
   source.getNode(), "user-provided value"
diff --git a/python/ql/test/query-tests/Security/CWE-285-PamAuthorization/PamAuthorization.expected b/python/ql/test/query-tests/Security/CWE-285-PamAuthorization/PamAuthorization.expected
index d2abf9a88ea..3cb2cf2782d 100644
--- a/python/ql/test/query-tests/Security/CWE-285-PamAuthorization/PamAuthorization.expected
+++ b/python/ql/test/query-tests/Security/CWE-285-PamAuthorization/PamAuthorization.expected
@@ -13,4 +13,4 @@ nodes
 | pam_test.py:76:14:76:40 | ControlFlowNode for pam_authenticate() | semmle.label | ControlFlowNode for pam_authenticate() |
 subpaths
 #select
-| pam_test.py:76:14:76:40 | ControlFlowNode for pam_authenticate() | pam_test.py:4:26:4:32 | ControlFlowNode for ImportMember | pam_test.py:76:14:76:40 | ControlFlowNode for pam_authenticate() | This PAM authentication depends on a $@, and `pam_acct_mgmt` is not called afterwards. | pam_test.py:4:26:4:32 | ControlFlowNode for ImportMember | user-provided value |
+| pam_test.py:76:14:76:40 | ControlFlowNode for pam_authenticate() | pam_test.py:4:26:4:32 | ControlFlowNode for ImportMember | pam_test.py:76:14:76:40 | ControlFlowNode for pam_authenticate() | This PAM authentication depends on a $@, and 'pam_acct_mgmt' is not called afterwards. | pam_test.py:4:26:4:32 | ControlFlowNode for ImportMember | user-provided value |