diff --git a/spa/include/spa/support/log.h b/spa/include/spa/support/log.h
index 53bdbd77f..ca3d58433 100644
--- a/spa/include/spa/support/log.h
+++ b/spa/include/spa/support/log.h
@@ -57,11 +57,11 @@ enum spa_log_level {
  */
 #define SPA_TYPE_INTERFACE_Log	SPA_TYPE_INFO_INTERFACE_BASE "Log"
 
-#define SPA_VERSION_LOG		0
 
 struct spa_log {
 	/** the version of this log. This can be used to expand this
 	 * structure in the future */
+#define SPA_VERSION_LOG		0
 	struct spa_interface iface;
 	/**
 	 * Logging level, everything above this level is not logged