diff --git a/analyzer/codechecker_analyzer/buildlog/log_parser.py b/analyzer/codechecker_analyzer/buildlog/log_parser.py
index c495598e37..5da88f5c87 100644
--- a/analyzer/codechecker_analyzer/buildlog/log_parser.py
+++ b/analyzer/codechecker_analyzer/buildlog/log_parser.py
@@ -1163,7 +1163,7 @@ def extend_compilation_database_entries(compilation_database):
             source_files = []
             source_dir = entry['directory']
 
-            options = shlex.split(entry['command'])
+            options = shlex.split(entry['command'], posix=(os.name=='posix'))
             for opt in options:
                 if opt.startswith('@'):
                     response_file = os.path.join(source_dir, opt[1:])