diff --git a/lldb/include/lldb/Utility/Timer.h b/lldb/include/lldb/Utility/Timer.h
index edc064b23b57..0249c697b8ed 100644
--- a/lldb/include/lldb/Utility/Timer.h
+++ b/lldb/include/lldb/Utility/Timer.h
@@ -74,9 +74,11 @@ private:
 
 } // namespace lldb_private
 
+// Use a format string because LLVM_PRETTY_FUNCTION might not be a string
+// literal.
 #define LLDB_SCOPED_TIMER()                                                    \
   static ::lldb_private::Timer::Category _cat(LLVM_PRETTY_FUNCTION);           \
-  ::lldb_private::Timer _scoped_timer(_cat, LLVM_PRETTY_FUNCTION)
+  ::lldb_private::Timer _scoped_timer(_cat, "%s", LLVM_PRETTY_FUNCTION)
 #define LLDB_SCOPED_TIMERF(...)                                                \
   static ::lldb_private::Timer::Category _cat(LLVM_PRETTY_FUNCTION);           \
   ::lldb_private::Timer _scoped_timer(_cat, __VA_ARGS__)