diff --git a/src/clib/topology.c b/src/clib/topology.c
index add3b78a110..2fc886d1e73 100644
--- a/src/clib/topology.c
+++ b/src/clib/topology.c
@@ -1,4 +1,4 @@
-!#if defined(BGQDONT)
+#if defined(BGQDONT)
 
 #include <pio.h>
 #include <pio_internal.h>