diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_flag_parser.cpp b/compiler-rt/lib/sanitizer_common/sanitizer_flag_parser.cpp
index 83e080c3149c1..ca37df348580a 100644
--- a/compiler-rt/lib/sanitizer_common/sanitizer_flag_parser.cpp
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_flag_parser.cpp
@@ -182,6 +182,9 @@ void FlagParser::RegisterHandler(const char *name, FlagHandlerBase *handler,
   ++n_flags_;
 }
 
-FlagParser::FlagParser() : n_flags_(0), buf_(nullptr), pos_(0) {}
+FlagParser::FlagParser() : n_flags_(0), buf_(nullptr), pos_(0) {
+  flags_ =
+      (Flag *)GetGlobalLowLevelAllocator().Allocate(sizeof(Flag) * kMaxFlags);
+}
 
 }  // namespace __sanitizer
diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_flag_parser.h b/compiler-rt/lib/sanitizer_common/sanitizer_flag_parser.h
index 9b8c106ec0720..dccdee4da2bd0 100644
--- a/compiler-rt/lib/sanitizer_common/sanitizer_flag_parser.h
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_flag_parser.h
@@ -163,7 +163,7 @@ class FlagParser {
     const char *name;
     const char *desc;
     FlagHandlerBase *handler;
-  } flags_[kMaxFlags];
+  } *flags_;
   int n_flags_;
 
   const char *buf_;