diff --git a/src/gallium/frontends/clover/llvm/invocation.cpp b/src/gallium/frontends/clover/llvm/invocation.cpp
index 38070a94e02..a305299f507 100644
--- a/src/gallium/frontends/clover/llvm/invocation.cpp
+++ b/src/gallium/frontends/clover/llvm/invocation.cpp
@@ -450,7 +450,7 @@ clover::llvm::compile_to_spirv(const std::string &source,
       "-spir-unknown-unknown" :
       "-spir64-unknown-unknown";
    auto c = create_compiler_instance(dev, target,
-                                     tokenize(opts + " input.cl"), r_log);
+                                     tokenize(opts + " -O0 input.cl"), r_log);
    auto mod = compile(*ctx, *c, "input.cl", source, headers, dev, opts, false,
                       r_log);