diff --git a/src/amd/vulkan/radv_cmd_buffer.c b/src/amd/vulkan/radv_cmd_buffer.c
index 7a1c90bb1cf..3c7882a8297 100644
--- a/src/amd/vulkan/radv_cmd_buffer.c
+++ b/src/amd/vulkan/radv_cmd_buffer.c
@@ -2839,6 +2839,7 @@ lookup_vs_prolog(struct radv_cmd_buffer *cmd_buffer, struct radv_shader_variant
       prolog = radv_create_vs_prolog(device, &key);
       uint32_t *key2 = malloc(key_size * 4);
       if (!prolog || !key2) {
+         radv_prolog_destroy(device, prolog);
          free(key2);
          u_rwlock_wrunlock(&device->vs_prologs_lock);
          return NULL;