diff --git a/test_runner/fixtures/neon_fixtures.py b/test_runner/fixtures/neon_fixtures.py
index e3c88e9965..9bcfffeb9c 100644
--- a/test_runner/fixtures/neon_fixtures.py
+++ b/test_runner/fixtures/neon_fixtures.py
@@ -3804,9 +3804,10 @@ class Endpoint(PgProtocol, LogUtils):
             # shared_buffers = 512kB to make postgres use LFC intensively
             # neon.max_file_cache_size and neon.file_cache size limit are
             # set to 1MB because small LFC is better for testing (helps to find more problems)
+            lfc_path_escaped = str(lfc_path).replace("'", "''")
             config_lines = [
                 "shared_buffers = 512kB",
-                f"neon.file_cache_path = '{self.lfc_path()}'",
+                f"neon.file_cache_path = '{lfc_path_escaped}'",
                 "neon.max_file_cache_size = 1MB",
                 "neon.file_cache_size_limit = 1MB",
             ] + config_lines