diff --git a/compiler-rt/test/fuzzer/lit.cfg.py b/compiler-rt/test/fuzzer/lit.cfg.py
index 7066e6a1ef46..35265659c604 100644
--- a/compiler-rt/test/fuzzer/lit.cfg.py
+++ b/compiler-rt/test/fuzzer/lit.cfg.py
@@ -116,3 +116,6 @@ config.substitutions.append(('%env_asan_opts=',
 
 if not config.parallelism_group:
   config.parallelism_group = 'shadow-memory'
+
+if config.host_os == 'NetBSD':
+  config.substitutions.insert(0, ('%run', config.netbsd_noaslr_prefix))