diff --git a/headers/os/kernel/image.h b/headers/os/kernel/image.h
index 69a29b4899..e7810ef428 100644
--- a/headers/os/kernel/image.h
+++ b/headers/os/kernel/image.h
@@ -64,10 +64,10 @@ extern "C" {
 #define B_TERM_BEFORE_FUNCTION_NAME	"terminate_before"
 #define B_TERM_AFTER_FUNCTION_NAME	"terminate_after"
 
-void initialize_before(image_id);
-void initialize_after(image_id);
-void terminate_before(image_id);
-void terminate_after(image_id);
+void initialize_before(image_id self);
+void initialize_after(image_id self);
+void terminate_before(image_id self);
+void terminate_after(image_id self);
 
 
 #define B_APP_IMAGE_SYMBOL		((void*)(addr_t)0)