diff --git a/meson.build b/meson.build
index 1104cc5..fb42283 100644
--- a/meson.build
+++ b/meson.build
@@ -120,10 +120,10 @@ if fc.get_id() == 'gcc'
   fc_flag += '-cpp'
   pp_options += ['-cpp', '-E']
 elif fc.get_id() == 'intel' or fc.get_id() == 'intel-llvm'
-  fc_flag += ['-fpp', '-nofor_main']
+  fc_flag += ['-fpp', '-nofor-main']
   pp_options += ['-fpp', '-P']
 elif fc.get_id() == 'intel-cl' or fc.get_id() == 'intel-llvm-cl'
-  fc_flag += ['/fpp', '/Qlowercase']
+  fc_flag += '/fpp'
   pp_options += ['/fpp', '/P']
 elif fc.get_id() == 'nagfor'
   fc_flag += '-fpp'