diff --git a/src/apps/debugger/util/Worker.cpp b/src/apps/debugger/util/Worker.cpp
index e395af4dbc..0a3133cbe5 100644
--- a/src/apps/debugger/util/Worker.cpp
+++ b/src/apps/debugger/util/Worker.cpp
@@ -21,7 +21,7 @@ JobKey::~JobKey()
 // pragma mark - SimpleJobKey
 
 
-SimpleJobKey::SimpleJobKey(void* object, uint32 type)
+SimpleJobKey::SimpleJobKey(const void* object, uint32 type)
 	:
 	object(object),
 	type(type)
diff --git a/src/apps/debugger/util/Worker.h b/src/apps/debugger/util/Worker.h
index f3fa550a20..f0b6b176c8 100644
--- a/src/apps/debugger/util/Worker.h
+++ b/src/apps/debugger/util/Worker.h
@@ -50,11 +50,11 @@ public:
 
 
 struct SimpleJobKey : public JobKey {
-			void*				object;
+			const void*			object;
 			uint32				type;
 
 public:
-								SimpleJobKey(void* object, uint32 type);
+								SimpleJobKey(const void* object, uint32 type);
 								SimpleJobKey(const SimpleJobKey& other);
 
 	virtual	size_t				HashValue() const;