diff --git a/std/testing.zig b/std/testing.zig
index a47c5984a0..2f14974481 100644
--- a/std/testing.zig
+++ b/std/testing.zig
@@ -59,6 +59,7 @@ pub fn expectEqual(expected: var, actual: @typeOf(expected)) void {
             switch (pointer.size) {
                 builtin.TypeInfo.Pointer.Size.One,
                 builtin.TypeInfo.Pointer.Size.Many,
+                builtin.TypeInfo.Pointer.Size.C,
                 => {
                     if (actual != expected) {
                         std.debug.panic("expected {}, found {}", expected, actual);