diff --git a/src/ox/std/istring.hpp b/src/ox/std/istring.hpp
index 8c1d996c9..7ffee5e49 100644
--- a/src/ox/std/istring.hpp
+++ b/src/ox/std/istring.hpp
@@ -234,12 +234,16 @@ constexpr auto itoa(Integer v) noexcept {
 		switch (sizeof(Integer)) {
 			case 1:
 				out = 3;
+				break;
 			case 2:
 				out = 5;
+				break;
 			case 4:
 				out = 10;
+				break;
 			case 8:
 				out = 21;
+				break;
 		}
 		return out + ox::is_signed_v<Integer>;
 	}();