diff --git a/libs/vkd3d-shader/msl.c b/libs/vkd3d-shader/msl.c
index d07608bd2..c6e048adb 100644
--- a/libs/vkd3d-shader/msl.c
+++ b/libs/vkd3d-shader/msl.c
@@ -2196,6 +2196,9 @@ int msl_compile(struct vsir_program *program, uint64_t config_flags,
     if ((ret = vsir_program_transform(program, config_flags, compile_info, message_context)) < 0)
         return ret;
 
+    if ((ret = vsir_allocate_temp_registers(program, message_context)) < 0)
+        return ret;
+
     VKD3D_ASSERT(program->normalisation_level == VSIR_NORMALISED_SM6);
     VKD3D_ASSERT(program->has_descriptor_info);