diff --git a/retroshare-gui/src/gui/forumsv2/CreateForumV2.cpp b/retroshare-gui/src/gui/forumsv2/CreateForumV2.cpp
index 0463b7941..d261c024e 100644
--- a/retroshare-gui/src/gui/forumsv2/CreateForumV2.cpp
+++ b/retroshare-gui/src/gui/forumsv2/CreateForumV2.cpp
@@ -27,7 +27,7 @@
 
 #include <algorithm>
 
-#include <retroshare/rsforumsV2.h>
+#include <retroshare/rsforumsv2.h>
 #include <retroshare/rspeers.h>
 
 #include <iostream>
diff --git a/retroshare-gui/src/gui/forumsv2/CreateForumV2Msg.cpp b/retroshare-gui/src/gui/forumsv2/CreateForumV2Msg.cpp
index 4df3ebc3c..19920ac91 100644
--- a/retroshare-gui/src/gui/forumsv2/CreateForumV2Msg.cpp
+++ b/retroshare-gui/src/gui/forumsv2/CreateForumV2Msg.cpp
@@ -28,7 +28,7 @@
 #include <QDropEvent>
 #include <QPushButton>
 
-#include <retroshare/rsforumsV2.h>
+#include <retroshare/rsforumsv2.h>
 #include <retroshare/rspeers.h>
 
 #include "gui/settings/rsharesettings.h"
diff --git a/retroshare-gui/src/gui/forumsv2/EditForumV2Details.cpp b/retroshare-gui/src/gui/forumsv2/EditForumV2Details.cpp
index 7d04594d9..5d7d9c690 100644
--- a/retroshare-gui/src/gui/forumsv2/EditForumV2Details.cpp
+++ b/retroshare-gui/src/gui/forumsv2/EditForumV2Details.cpp
@@ -21,7 +21,7 @@
 
 #include "EditForumV2Details.h"
 
-#include <retroshare/rsforumsV2.h>
+#include <retroshare/rsforumsv2.h>
 
 #include "util/misc.h"
 
diff --git a/retroshare-gui/src/gui/forumsv2/ForumV2Details.cpp b/retroshare-gui/src/gui/forumsv2/ForumV2Details.cpp
index 29f0c750f..0f3d0f4dc 100644
--- a/retroshare-gui/src/gui/forumsv2/ForumV2Details.cpp
+++ b/retroshare-gui/src/gui/forumsv2/ForumV2Details.cpp
@@ -23,7 +23,7 @@
 #include <retroshare/rsiface.h>
 #include <retroshare/rspeers.h>
 #include <retroshare/rsdisc.h>
-#include <retroshare/rsforumsV2.h>
+#include <retroshare/rsforumsv2.h>
 
 #include <QTime>
 #include <QDateTime>