diff --git a/src/plugins/debugger/debuggeragents.h b/src/plugins/debugger/debuggeragents.h
index b48eb703af62ace8d102e7f3813e3b67ad94d16e..c6d4b768c7435dfba61ae61c32bf1d813851779d 100644
--- a/src/plugins/debugger/debuggeragents.h
+++ b/src/plugins/debugger/debuggeragents.h
@@ -45,7 +45,7 @@ namespace Debugger {
 namespace Internal {
 
 class DebuggerManager;
-class DisassemblerViewAgentPrivate;
+struct DisassemblerViewAgentPrivate;
 
 class MemoryViewAgent : public QObject
 {