diff --git a/vlib/v/gen/c/cgen.v b/vlib/v/gen/c/cgen.v
index 1a19f4aa10..718d3f4ba0 100644
--- a/vlib/v/gen/c/cgen.v
+++ b/vlib/v/gen/c/cgen.v
@@ -2427,17 +2427,13 @@ fn (mut g Gen) gen_assign_stmt(assign_stmt ast.AssignStmt) {
 			g.is_shared = var_type.has_flag(.shared_f)
 			if !cloned {
 				if is_fixed_array_copy {
-					i_var := g.new_tmp_var()
-					fixed_array := right_sym.info as ast.ArrayFixed
-					g.write('for (int $i_var=0; $i_var<$fixed_array.size; $i_var++) {')
+					typ_str := g.typ(val_type).trim('*')
+					ref_str := if val_type.is_ptr() { '' } else { '&' }
+					g.write('memcpy(($typ_str*)')
 					g.expr(left)
-					g.write('[$i_var] = ')
-					if val.is_auto_deref_var() {
-						g.write('*')
-					}
+					g.write(', (byte*)$ref_str')
 					g.expr(val)
-					g.write('[$i_var];')
-					g.writeln('}')
+					g.write(', sizeof($typ_str))')
 				} else if is_decl {
 					if is_fixed_array_init && !has_val {
 						if val is ast.ArrayInit {