diff --git a/query_classifier/qc_sqlite/qc_sqlite.cc b/query_classifier/qc_sqlite/qc_sqlite.cc
index 55755d515..b993c8361 100644
--- a/query_classifier/qc_sqlite/qc_sqlite.cc
+++ b/query_classifier/qc_sqlite/qc_sqlite.cc
@@ -3282,7 +3282,7 @@ extern void maxscale_update_function_info(const char* name, const Expr* pExpr);
 // 'unsigned int' and not 'uint32_t' because 'uint32_t' is unknown in sqlite3 context.
 extern void maxscale_set_type_mask(unsigned int type_mask);
 
-extern void maxscaleComment();
+extern int maxscaleComment();
 extern int maxscaleKeyword(int token);
 extern int maxscaleTranslateKeyword(int token);
 
@@ -4080,14 +4080,18 @@ void maxscaleCreateSequence(Parse* pParse, Token* pDatabase, Token* pTable)
     QC_EXCEPTION_GUARD(pInfo->maxscaleCreateSequence(pParse, pDatabase, pTable));
 }
 
-void maxscaleComment()
+int maxscaleComment()
 {
     QC_TRACE();
 
     QcSqliteInfo* pInfo = this_thread.pInfo;
     ss_dassert(pInfo);
 
-    QC_EXCEPTION_GUARD(pInfo->maxscaleComment());
+    int rc = 0;
+
+    QC_EXCEPTION_GUARD(rc = pInfo->maxscaleComment());
+
+    return rc;
 }
 
 void maxscaleDeclare(Parse* pParse)