diff --git a/vlib/compiler/cc.v b/vlib/compiler/cc.v
index a71566ab59..b8da92e047 100644
--- a/vlib/compiler/cc.v
+++ b/vlib/compiler/cc.v
@@ -73,6 +73,20 @@ fn (v mut V) cc() {
 			return
 		}
 	}
+	// arguments for the C compiler
+	mut a := [v.pref.cflags, '-std=gnu11',
+		'-Wall',
+		'-Wextra',
+		// TODO : activate -Werror once no warnings remain
+//		'-Werror',
+		// TODO : try and remove the below workaround options when the corresponding
+		// warnings are totally fixed/removed
+		'-Wno-unused-variable',
+		'-Wno-unused-but-set-variable',
+		'-Wno-unused-parameter',
+		'-Wno-unused-result',
+		'-Wno-missing-braces',
+		'-Wno-unused-label']
 	// TCC on Linux by default, unless -cc was provided
 	// TODO if -cc = cc, TCC is still used, default compiler should be
 	// used instead.
@@ -95,6 +109,7 @@ fn (v mut V) cc() {
 				//os.mkdir('/var/tmp/tcc/lib/tcc/')
 				//os.create('/var/tmp/tcc/lib/tcc/libtcc1.a')
 				v.pref.ccompiler = tcc_path
+				a << '-m64'
 			}
 		}
 		} $else {
@@ -103,20 +118,6 @@ fn (v mut V) cc() {
 	}
 	//linux_host := os.user_os() == 'linux'
 	v.log('cc() isprod=$v.pref.is_prod outname=$v.out_name')
-	// arguments for the C compiler
-	mut a := [v.pref.cflags, '-std=gnu11',
-		'-Wall',
-		'-Wextra',
-		// TODO : activate -Werror once no warnings remain
-//		'-Werror',
-		// TODO : try and remove the below workaround options when the corresponding
-		// warnings are totally fixed/removed
-		'-Wno-unused-variable',
-		'-Wno-unused-but-set-variable',
-		'-Wno-unused-parameter',
-		'-Wno-unused-result',
-		'-Wno-missing-braces',
-		'-Wno-unused-label']
 
 	if v.pref.is_so {
 		a << '-shared -fPIC '// -Wl,-z,defs'