diff --git a/uncrustify-riot.cfg b/uncrustify-riot.cfg
index d67a512f6f..290b1da20f 100644
--- a/uncrustify-riot.cfg
+++ b/uncrustify-riot.cfg
@@ -54,6 +54,7 @@ sp_bool                 = add      #
 sp_compare              = add      #
 sp_assign               = add      #
 sp_after_comma          = add      #
+sp_after_cast           = remove   # "(int) foo vs (int)foo
 sp_func_def_paren       = remove   # "int foo (){" vs "int foo(){"
 sp_func_call_paren      = remove   # "foo (" vs "foo("
 sp_func_proto_paren     = remove   # "int foo ();" vs "int foo();"