diff --git a/backends/libpurple/utils.cpp b/backends/libpurple/utils.cpp
index 767597980cc251748500c61a2676c36f701bcfda..574e9874626815a91da4bae517f87b934b43e30f 100644
--- a/backends/libpurple/utils.cpp
+++ b/backends/libpurple/utils.cpp
@@ -47,6 +47,8 @@
 #include "win32/win32dep.h"
 #endif
 
+#include "purple_defs.h"
+
 static GHashTable *ui_info = NULL;
 
 void execute_purple_plugin_action(PurpleConnection *gc, const std::string &name) {