diff --git a/src/amd/compiler/aco_ir.h b/src/amd/compiler/aco_ir.h
index 3921cad89ab..a25efe1e7a1 100644
--- a/src/amd/compiler/aco_ir.h
+++ b/src/amd/compiler/aco_ir.h
@@ -748,7 +748,7 @@ private:
    };
 };
 
-class Block;
+struct Block;
 
 struct Instruction {
    aco_opcode opcode;