diff --git a/vlib/v/gen/c/comptime.v b/vlib/v/gen/c/comptime.v
index e3995afae3..261456b03a 100644
--- a/vlib/v/gen/c/comptime.v
+++ b/vlib/v/gen/c/comptime.v
@@ -159,8 +159,12 @@ fn (mut g Gen) comptime_call(mut node ast.ComptimeCall) {
 		expand_strs := if node.args.len > 0 && m.params.len - 1 >= node.args.len {
 			arg := node.args.last()
 			param := m.params[node.args.len]
+			sym_arg := g.table.final_sym(arg.typ)
+			mut is_arr_interface := sym_arg.info is ast.Array
+				&& g.table.final_sym(sym_arg.info.elem_type).kind == .interface
 
-			arg.expr in [ast.IndexExpr, ast.Ident] && g.table.type_to_str(arg.typ) == '[]string'
+			arg.expr in [ast.IndexExpr, ast.Ident]
+				&& (g.table.type_to_str(arg.typ) == '[]string' || is_arr_interface)
 				&& g.table.type_to_str(param.typ) != '[]string'
 		} else {
 			false
@@ -242,7 +246,8 @@ fn (mut g Gen) comptime_call(mut node ast.ComptimeCall) {
 					type_name := g.table.type_symbols[int(m.params[i].typ)].str()
 					g.write('string_${type_name}(((string*)${last_arg}.data) [${idx}])')
 				} else {
-					g.write('((string*)${last_arg}.data) [${idx}] ')
+					sym_name := g.table.sym(m.params[i].typ).cname
+					g.write('((${sym_name}*)${last_arg}.data) [${idx}] ')
 				}
 				if i < m.params.len - 1 {
 					g.write(', ')
diff --git a/vlib/veb/veb.v b/vlib/veb/veb.v
index 90485da10f..dae1f9990d 100644
--- a/vlib/veb/veb.v
+++ b/vlib/veb/veb.v
@@ -733,7 +733,7 @@ fn handle_route[A, X](mut app A, mut user_context X, url urllib.URL, host string
 
 						if method.args.len > 1 && can_have_data_args {
 							// Populate method args with form or query values
-							mut args := []AnyParam{}
+							mut args := []AnyParam{cap: method.args.len + 1}
 							data := if user_context.Context.req.method == .get {
 								user_context.Context.query
 							} else {
@@ -745,14 +745,11 @@ fn handle_route[A, X](mut app A, mut user_context X, url urllib.URL, host string
 							}
 
 							// println('m1')
-							if args.len > 0 {
-								print(1)
-								app.$method(mut user_context, ...args)
-								return
-							}
+							app.$method(mut user_context, args)
+						} else {
+							// println('m2')
+							app.$method(mut user_context)
 						}
-						// println('m2')
-						app.$method(mut user_context)
 						return
 					}
 
@@ -767,7 +764,7 @@ fn handle_route[A, X](mut app A, mut user_context X, url urllib.URL, host string
 
 						if method.args.len > 1 && can_have_data_args {
 							// Populate method args with form or query values
-							mut args := []AnyParam{}
+							mut args := []AnyParam{cap: method.args.len + 1}
 
 							data := if user_context.Context.req.method == .get {
 								user_context.Context.query
@@ -780,13 +777,11 @@ fn handle_route[A, X](mut app A, mut user_context X, url urllib.URL, host string
 							}
 
 							// println('m3')
-							if args.len > 0 {
-								app.$method(mut user_context, ...args)
-								return
-							}
+							app.$method(mut user_context, args)
+						} else {
+							// println('m4')
+							app.$method(mut user_context)
 						}
-						// println('m4')
-						app.$method(mut user_context)
 						return
 					}
 
@@ -803,11 +798,7 @@ fn handle_route[A, X](mut app A, mut user_context X, url urllib.URL, host string
 							eprintln('[veb] warning: uneven parameters count (${method.args.len}) in `${method.name}`, compared to the veb route `${method.attrs}` (${method_args.len})')
 						}
 						// println('m5')
-						if method.args.len > 1 {
-							app.$method(mut user_context, ...method_args)
-						} else {
-							app.$method(mut user_context)
-						}
+						app.$method(mut user_context, method_args)
 						return
 					}
 				}