diff --git a/src/plugins/select/bluegene/ba/block_allocator.c b/src/plugins/select/bluegene/ba/block_allocator.c
index 951e6283a3b90a1597080e2c09987aa2ae64cb12..0ad3bd6d0286ec52b4a6f3f9e1284aac0839c685 100644
--- a/src/plugins/select/bluegene/ba/block_allocator.c
+++ b/src/plugins/select/bluegene/ba/block_allocator.c
@@ -581,7 +581,7 @@ extern void print_ba_request(select_ba_request_t* ba_request)
  * If a real bluegene system, query the system and get all wiring
  * information of the system.
  */
-extern void init_wires()
+extern void init_wires(void)
 {
 	int x, y, z, i;
 	ba_mp_t *source = NULL;
diff --git a/src/plugins/select/bluegene/ba/block_allocator.h b/src/plugins/select/bluegene/ba/block_allocator.h
index 56c5d393513c633bbfdc1f5b301a44e67523eef8..9945da975f64520fff0bc198e5530b3511b5d25e 100644
--- a/src/plugins/select/bluegene/ba/block_allocator.h
+++ b/src/plugins/select/bluegene/ba/block_allocator.h
@@ -61,7 +61,7 @@ extern ba_mp_t ***ba_main_grid;
  * If a real bluegene system, query the system and get all wiring
  * information of the system.
  */
-extern void init_wires();
+extern void init_wires(void);
 
 /*
  * get the used wires for a block out of the database and return the
diff --git a/src/plugins/select/bluegene/ba/wire_test.c b/src/plugins/select/bluegene/ba/wire_test.c
index 58c2401172fef901efe06ff9089eb55171f97355..c669c482b9de18fc8905b05dd95aa7d17cba9b41 100644
--- a/src/plugins/select/bluegene/ba/wire_test.c
+++ b/src/plugins/select/bluegene/ba/wire_test.c
@@ -127,7 +127,7 @@ int main(int argc, char** argv)
 
 	slurm_conf_reinit(NULL);
 	ba_init(NULL, 1);
-	init_wires(NULL);
+	init_wires();
 
 	/* [010x831] */
 /* 	results = list_create(NULL); */