diff --git a/lib/std/Target.zig b/lib/std/Target.zig
index fe4f019ba0..42552f9953 100644
--- a/lib/std/Target.zig
+++ b/lib/std/Target.zig
@@ -2089,6 +2089,8 @@ pub fn c_type_bit_size(target: Target, c_type: CType) u16 {
                     .sparcel,
                     .wasm32,
                     .wasm64,
+                    .loongarch32,
+                    .loongarch64,
                     => return 128,
 
                     else => return 64,
@@ -2194,6 +2196,8 @@ pub fn c_type_bit_size(target: Target, c_type: CType) u16 {
                     .sparcel,
                     .wasm32,
                     .wasm64,
+                    .loongarch32,
+                    .loongarch64,
                     => return 128,
 
                     else => return 64,