diff --git a/src/amd/vulkan/radv_pipeline_cache.c b/src/amd/vulkan/radv_pipeline_cache.c
index 3fc10df8b5d..bf8870fbc66 100644
--- a/src/amd/vulkan/radv_pipeline_cache.c
+++ b/src/amd/vulkan/radv_pipeline_cache.c
@@ -118,7 +118,7 @@ radv_hash_rt_shaders(unsigned char *hash, const VkRayTracingPipelineCreateInfoKH
        VK_PIPELINE_CREATE_2_RAY_TRACING_NO_NULL_CLOSEST_HIT_SHADERS_BIT_KHR |
        VK_PIPELINE_CREATE_2_RAY_TRACING_NO_NULL_MISS_SHADERS_BIT_KHR |
        VK_PIPELINE_CREATE_2_RAY_TRACING_NO_NULL_INTERSECTION_SHADERS_BIT_KHR | VK_PIPELINE_CREATE_2_LIBRARY_BIT_KHR);
-   _mesa_sha1_update(&ctx, &pipeline_flags, 4);
+   _mesa_sha1_update(&ctx, &pipeline_flags, sizeof(pipeline_flags));
 
    _mesa_sha1_update(&ctx, &flags, 4);
    _mesa_sha1_final(&ctx, hash);