diff --git a/src/Makefile.cfg b/src/Makefile.cfg
index a0398154a5c14a80b0e408c1413e4f48597cac74..5fdc53298020fedef38713e857eb86dee8080375 100644
--- a/src/Makefile.cfg
+++ b/src/Makefile.cfg
@@ -7,11 +7,19 @@
 # and other things
 #
 
-ifdef GCC81
-GCC80=1
+ifdef GCC91
+GCC83=1
 endif
 
-ifdef GCC80
+ifdef GCC83
+GCC82=1
+endif
+
+ifdef GCC82
+GCC81=1
+endif
+
+ifdef GCC81
 GCC72=1
 endif