diff --git a/src/compiler/spirv/vtn_cfg.c b/src/compiler/spirv/vtn_cfg.c
index 45513649aa8..24bb0725e13 100644
--- a/src/compiler/spirv/vtn_cfg.c
+++ b/src/compiler/spirv/vtn_cfg.c
@@ -402,7 +402,7 @@ vtn_cfg_handle_prepass_instruction(struct vtn_builder *b, SpvOp opcode,
       struct vtn_ssa_value *ssa = vtn_create_ssa_value(b, type->type);
       struct vtn_value *val = vtn_untyped_value(b, w[2]);
 
-      b->func->nir_func->params[b->func_param_idx].name = val->name;
+      b->func->nir_func->params[b->func_param_idx].name = ralloc_strdup(b->shader, val->name);
 
       vtn_foreach_decoration(b, val, function_parameter_decoration_cb, &arg_info);
       vtn_ssa_value_load_function_param(b, ssa, type, &arg_info, &b->func_param_idx);