diff --git a/headers/build/HaikuBuildCompatibility.h b/headers/build/HaikuBuildCompatibility.h
index 3b438fab68..833ab8dbe7 100644
--- a/headers/build/HaikuBuildCompatibility.h
+++ b/headers/build/HaikuBuildCompatibility.h
@@ -72,7 +72,7 @@ typedef int socklen_t;
 #	define B_FIRST_REAL_TIME_PRIORITY B_REAL_TIME_DISPLAY_PRIORITY
 #endif
 
-#if !defined(HAIKU_TARGET_PLATFORM_LIBBE_TEST)
+#if !defined(HAIKU_TARGET_PLATFORM_LIBBE_TEST) \
 	&& !defined(B_SPINLOCK_INITIALIZER)
 #	define B_SPINLOCK_INITIALIZER 0
 #endif