diff --git a/vlib/v/gen/c/assert.v b/vlib/v/gen/c/assert.v
index 2e1a12f921..5c8ea5adb9 100644
--- a/vlib/v/gen/c/assert.v
+++ b/vlib/v/gen/c/assert.v
@@ -53,6 +53,7 @@ fn (mut g Gen) gen_assert_stmt(original_assert_statement ast.AssertStmt) {
 }
 
 fn (mut g Gen) gen_assert_postfailure_mode(node ast.AssertStmt) {
+	g.write_v_source_line_info(node.pos)
 	match g.pref.assert_failure_mode {
 		.default {}
 		.aborts {