diff --git a/gfx/common/d3d12_common.c b/gfx/common/d3d12_common.c
index a414cbfd1a..4b1b5e9e93 100644
--- a/gfx/common/d3d12_common.c
+++ b/gfx/common/d3d12_common.c
@@ -515,7 +515,7 @@ bool d3d12_init_descriptors(d3d12_video_t* d3d12)
    d3d12_init_descriptor_heap(d3d12->device, &d3d12->desc.rtv_heap);
 
    d3d12->desc.srv_heap.desc.Type           = D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV;
-   d3d12->desc.srv_heap.desc.NumDescriptors = SLANG_NUM_BINDINGS * GFX_MAX_SHADERS + 1024;
+   d3d12->desc.srv_heap.desc.NumDescriptors = SLANG_NUM_BINDINGS * GFX_MAX_SHADERS + 2048;
    d3d12->desc.srv_heap.desc.Flags          = D3D12_DESCRIPTOR_HEAP_FLAG_SHADER_VISIBLE;
    d3d12_init_descriptor_heap(d3d12->device, &d3d12->desc.srv_heap);