diff --git a/io_scene_fbx/__init__.py b/io_scene_fbx/__init__.py
index 184e6673fc89ff7c687b29e00a1421c15bf3574a..0259bbd3fa0bb1eb2fa14e5990fa915079eb7f3c 100644
--- a/io_scene_fbx/__init__.py
+++ b/io_scene_fbx/__init__.py
@@ -21,7 +21,7 @@
 bl_info = {
     "name": "FBX format",
     "author": "Campbell Barton, Bastien Montagne, Jens Restemeier",
-    "version": (3, 4, 5),
+    "version": (3, 4, 6),
     "blender": (2, 74, 0),
     "location": "File > Import-Export",
     "description": "FBX IO meshes, UV's, vertex colors, materials, textures, cameras, lamps and actions",
diff --git a/io_scene_fbx/fbx_utils.py b/io_scene_fbx/fbx_utils.py
index 651cac7cb296264ab703fa8a50f494c80fa8303e..4df687729f1bceefe9bf670d23f0e9531133d13b 100644
--- a/io_scene_fbx/fbx_utils.py
+++ b/io_scene_fbx/fbx_utils.py
@@ -71,8 +71,8 @@ FBX_ANIM_PROPSGROUP_NAME = "d"
 FBX_KTIME = 46186158000  # This is the number of "ktimes" in one second (yep, precision over the nanosecond...)
 
 
-MAT_CONVERT_LAMP = Matrix.Rotation(math.pi / -2.0, 4, 'X')  # Blender is -Z, FBX is +Y.
-MAT_CONVERT_CAMERA = Matrix.Rotation(math.pi / -2.0, 4, 'Y')  # Blender is -Z, FBX is -X.
+MAT_CONVERT_LAMP = Matrix.Rotation(math.pi / 2.0, 4, 'X')  # Blender is -Z, FBX is -Y.
+MAT_CONVERT_CAMERA = Matrix.Rotation(math.pi / 2.0, 4, 'Y')  # Blender is -Z, FBX is +X.
 # XXX I can't get this working :(
 # MAT_CONVERT_BONE = Matrix.Rotation(math.pi / 2.0, 4, 'Z')  # Blender is +Y, FBX is -X.
 MAT_CONVERT_BONE = Matrix()