diff --git a/src/context.c b/src/context.c
index c1a88df..1a80bb9 100644
--- a/src/context.c
+++ b/src/context.c
@@ -14,7 +14,7 @@
 #define _GNU_SOURCE /* asprintf */
 #define _POSIX_C_SOURCE 200809L /* strdup */
 
-#if defined(__NetBSD__) || defined(__OpenBSD__)
+#if defined (__NetBSD__) || defined (__OpenBSD__)
 #define _XOPEN_SOURCE
 #define _XOPEN_SOURCE_EXTENDED /* realpath */
 #endif