diff --git a/android/luajit-launcher b/android/luajit-launcher
index faf756f04..5bd850e1e 160000
--- a/android/luajit-launcher
+++ b/android/luajit-launcher
@@ -1 +1 @@
-Subproject commit faf756f04de275994fbcabe2400e4c585cd3f6ae
+Subproject commit 5bd850e1e57d4ceb1b867f3bc38a31a8795a9fe9
diff --git a/frontend/apps/reader/pluginloader.lua b/frontend/apps/reader/pluginloader.lua
index b53b8cc4d..a06fabc0d 100644
--- a/frontend/apps/reader/pluginloader.lua
+++ b/frontend/apps/reader/pluginloader.lua
@@ -2,7 +2,7 @@ local DEBUG = require("dbg")
 -- lfs
 
 local PluginLoader = {
-    plugin_path = lfs.currentdir().."/plugins"
+    plugin_path = "plugins"
 }
 
 function PluginLoader:loadPlugins()
diff --git a/frontend/ui/gesturedetector.lua b/frontend/ui/gesturedetector.lua
index 4265796cf..f19c2af10 100644
--- a/frontend/ui/gesturedetector.lua
+++ b/frontend/ui/gesturedetector.lua
@@ -460,7 +460,7 @@ function GestureDetector:handleTwoFingerPan(tev)
     -- triggering slot
     local tslot = tev.slot
     -- reference slot
-    local rslot = tslot and 0 or 1
+    local rslot = tslot == 1 and 0 or 1
     local tpan_dir, tpan_dis = self:getPath(tslot)
     local tstart_pos = Geom:new{
         x = self.first_tevs[tslot].x,
diff --git a/frontend/ui/uimanager.lua b/frontend/ui/uimanager.lua
index cd5fd409b..931b54bdc 100644
--- a/frontend/ui/uimanager.lua
+++ b/frontend/ui/uimanager.lua
@@ -116,6 +116,7 @@ end
 
 -- transmit an event to registered widgets
 function UIManager:sendEvent(event)
+    if #self._window_stack == 0 then return end
     -- top level widget has first access to the event
     if self._window_stack[#self._window_stack].widget:handleEvent(event) then
         return
diff --git a/koreader-base b/koreader-base
index 0047fa7aa..2b38b16d2 160000
--- a/koreader-base
+++ b/koreader-base
@@ -1 +1 @@
-Subproject commit 0047fa7aa34f686641abfa3db7e11217d2315137
+Subproject commit 2b38b16d2795a228b1a541fbc2e09bd093119aad