diff --git a/src/tint/writer/spirv/generator_impl_ir.cc b/src/tint/writer/spirv/generator_impl_ir.cc
index c2ac8ca3e5..e656e1a628 100644
--- a/src/tint/writer/spirv/generator_impl_ir.cc
+++ b/src/tint/writer/spirv/generator_impl_ir.cc
@@ -128,7 +128,7 @@ void GeneratorImplIr::EmitFunction(const ir::Function* func) {
 }
 
 void GeneratorImplIr::EmitEntryPoint(const ir::Function* func, uint32_t id) {
-    SpvExecutionModel stage;
+    SpvExecutionModel stage = SpvExecutionModelMax;
     switch (func->pipeline_stage) {
         case ir::Function::PipelineStage::kCompute: {
             stage = SpvExecutionModelGLCompute;