diff --git a/lib/utils.h b/lib/utils.h
index fab7471bf231..919456802eb6 100644
--- a/lib/utils.h
+++ b/lib/utils.h
@@ -325,4 +325,9 @@ static inline std::string ptr_to_string(const void* p)
 #endif
 }
 
+static inline std::string bool_to_string(bool b)
+{
+    return b ? "true" : "false";
+}
+
 #endif