diff --git a/src/amd/vulkan/radv_shader.h b/src/amd/vulkan/radv_shader.h
index a46f2170301..4941d43219a 100644
--- a/src/amd/vulkan/radv_shader.h
+++ b/src/amd/vulkan/radv_shader.h
@@ -450,11 +450,15 @@ struct radv_shader_binary_legacy {
    uint32_t ir_size;
    uint32_t disasm_size;
    uint32_t stats_size;
+   uint32_t padding;
 
    /* data has size of stats_size + code_size + ir_size + disasm_size + 2,
     * where the +2 is for 0 of the ir strings. */
    uint8_t data[0];
 };
+static_assert(sizeof(struct radv_shader_binary_legacy) ==
+                 offsetof(struct radv_shader_binary_legacy, data),
+              "Unexpected padding");
 
 struct radv_shader_binary_rtld {
    struct radv_shader_binary base;