diff --git a/src/amd/compiler/aco_ir.h b/src/amd/compiler/aco_ir.h
index 9854dec5c96..7e74f16cd5a 100644
--- a/src/amd/compiler/aco_ir.h
+++ b/src/amd/compiler/aco_ir.h
@@ -770,10 +770,10 @@ public:
 
 private:
    union {
+      Temp temp;
       uint32_t i;
       float f;
-      Temp temp = Temp(0, s1);
-   } data_;
+   } data_ = { Temp(0, s1) };
    PhysReg reg_;
    union {
       struct {