diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_openbsd.h b/compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_openbsd.h
index b926ca628eb5c..d9899913e576c 100644
--- a/compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_openbsd.h
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_openbsd.h
@@ -31,6 +31,8 @@
   _GET_LINK_MAP_BY_DLOPEN_HANDLE(handle, 164)
 #endif
 
+#define RLIMIT_AS RLIMIT_DATA
+
 namespace __sanitizer {
 extern unsigned struct_utsname_sz;
 extern unsigned struct_stat_sz;