diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_from_nir.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_from_nir.cpp
index d6dcc6b11af..75e3ef14786 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_from_nir.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_from_nir.cpp
@@ -1301,7 +1301,7 @@ Converter::parseNIR()
       info->prop.cp.numThreads[0] = nir->info.workgroup_size[0];
       info->prop.cp.numThreads[1] = nir->info.workgroup_size[1];
       info->prop.cp.numThreads[2] = nir->info.workgroup_size[2];
-      info_out->bin.smemSize += nir->info.shared_size;
+      info_out->bin.smemSize = std::max(info_out->bin.smemSize, nir->info.shared_size);
       break;
    case Program::TYPE_FRAGMENT:
       info_out->prop.fp.earlyFragTests = nir->info.fs.early_fragment_tests;