diff --git a/include/diagnostics.h b/include/diagnostics.h
index 8bf5a3c3d9b..3da88282261 100644
--- a/include/diagnostics.h
+++ b/include/diagnostics.h
@@ -76,8 +76,10 @@
 # define DIAGNOSTIC_IGNORE_STRINGOP_TRUNCATION \
   DIAGNOSTIC_IGNORE ("-Wstringop-truncation")
 
+# if __GNUC__ >= 11
 # define DIAGNOSTIC_IGNORE_STRINGOP_OVERREAD \
   DIAGNOSTIC_IGNORE ("-Wstringop-overread")
+#endif
 
 # define DIAGNOSTIC_IGNORE_FORMAT_NONLITERAL \
   DIAGNOSTIC_IGNORE ("-Wformat-nonliteral")