diff --git a/libs/vkd3d-shader/ir.c b/libs/vkd3d-shader/ir.c
index 14cf23e8..a481be16 100644
--- a/libs/vkd3d-shader/ir.c
+++ b/libs/vkd3d-shader/ir.c
@@ -7042,6 +7042,18 @@ enum vkd3d_result vsir_program_validate(struct vsir_program *program, uint64_t c
     if (!(config_flags & VKD3D_SHADER_CONFIG_FLAG_FORCE_VALIDATION))
         return VKD3D_OK;
 
+    switch (program->shader_version.type)
+    {
+        case VKD3D_SHADER_TYPE_HULL:
+        case VKD3D_SHADER_TYPE_DOMAIN:
+            break;
+
+        default:
+            if (program->patch_constant_signature.element_count != 0)
+                validator_error(&ctx, VKD3D_SHADER_ERROR_VSIR_INVALID_SIGNATURE,
+                        "Patch constant signature is only valid for hull and domain shaders.");
+    }
+
     if (!(ctx.temps = vkd3d_calloc(ctx.program->temp_count, sizeof(*ctx.temps))))
         goto fail;
 
diff --git a/libs/vkd3d-shader/vkd3d_shader_private.h b/libs/vkd3d-shader/vkd3d_shader_private.h
index aab94f77..de31d554 100644
--- a/libs/vkd3d-shader/vkd3d_shader_private.h
+++ b/libs/vkd3d-shader/vkd3d_shader_private.h
@@ -245,6 +245,7 @@ enum vkd3d_shader_error
     VKD3D_SHADER_ERROR_VSIR_INVALID_GS                  = 9019,
     VKD3D_SHADER_ERROR_VSIR_INVALID_PARAMETER           = 9020,
     VKD3D_SHADER_ERROR_VSIR_MISSING_SEMANTIC            = 9021,
+    VKD3D_SHADER_ERROR_VSIR_INVALID_SIGNATURE           = 9022,
 
     VKD3D_SHADER_WARNING_VSIR_DYNAMIC_DESCRIPTOR_ARRAY  = 9300,