diff --git a/src/target/as.c b/src/target/as.c
index 2299238..624f299 100644
--- a/src/target/as.c
+++ b/src/target/as.c
@@ -71,7 +71,8 @@ TargetPlugin target_plugin =
 	_as_section,
 	_as_function_begin,
 	_as_function_call,
-	_as_function_end
+	_as_function_end,
+	NULL				/* FIXME implement label_set */
 };
 
 
diff --git a/src/target/graph.c b/src/target/graph.c
index 02c32e6..e6580e8 100644
--- a/src/target/graph.c
+++ b/src/target/graph.c
@@ -44,13 +44,14 @@ static int _graph_function_end(void);
 /* variables */
 TargetPlugin target_plugin =
 {
-	NULL,
+	NULL,				/* options */
 	_graph_init,
 	_graph_exit,
-	NULL,
+	NULL,				/* section */
 	_graph_function_begin,
 	_graph_function_call,
-	_graph_function_end
+	_graph_function_end,
+	NULL				/* label_set */
 };
 
 
diff --git a/src/target/target.h b/src/target/target.h
index f7730d8..9caab9e 100644
--- a/src/target/target.h
+++ b/src/target/target.h
@@ -34,6 +34,7 @@ typedef struct _TargetPlugin
 	int (*function_begin)(char const * name);
 	int (*function_call)(char const * name);
 	int (*function_end)(void);
+	int (*label_set)(char const * name);
 } TargetPlugin;
 
 #endif /* !_C99_TARGET_TARGET_H */