diff --git a/ide/zerobrane/terrame.lua b/ide/zerobrane/terrame.lua
index e81496f2..3b3f5c78 100644
--- a/ide/zerobrane/terrame.lua
+++ b/ide/zerobrane/terrame.lua
@@ -16,18 +16,19 @@ return {
             -- path to TerraME
             terrame = os.getenv("TME_PATH")
             -- hack in Mac OS X
-            if terrame == nil then
+            if terrame == nil and ide.osname == "Macintosh" then
                 terrame = "/Applications/terrame.app/Contents/bin"
-            end
-
-            local fopen = io.open(terrame..executable)
-            if not fopen then
-                DisplayOutputLn("Please define 'path.terrame_install' in your cfg/user.lua")
             else
-                fopen:close()
-            end
+                DisplayOutputLn("Could not find TME_PATH. Is TerraME installed?")
+				return
+			end
         end
 
+      	if not wx.wxDirExists(terrame) then
+        	DisplayOutputLn("Can't find terrame executable in "..terrame)
+ 			return
+		end
+
         wx.wxSetEnv("TME_PATH", terrame)
 
         if rundebug then
diff --git a/packages/base/tests/functional/basics/CellularSpace.lua b/packages/base/tests/functional/basics/CellularSpace.lua
index 923aba29..0ec77155 100644
--- a/packages/base/tests/functional/basics/CellularSpace.lua
+++ b/packages/base/tests/functional/basics/CellularSpace.lua
@@ -422,7 +422,8 @@ return{
 			layer = gis.Layer{
 				project = proj,
 				name = layerName1,
-				file = filePath1
+				file = filePath1,
+				epsg = 4326
 			}
 
 			cs = CellularSpace{
diff --git a/packages/gis/tests/nc/basic/Layer.lua b/packages/gis/tests/nc/basic/Layer.lua
index 090db7a6..7f5bfae1 100644
--- a/packages/gis/tests/nc/basic/Layer.lua
+++ b/packages/gis/tests/nc/basic/Layer.lua
@@ -37,7 +37,8 @@ return {
 			Layer {
 				project = proj,
 				name = layerName1,
-				file = filePath("test/vegtype_2000.nc", "gis")
+				file = filePath("test/vegtype_2000.nc", "gis"),
+				epsg = 4326
 			}
 
 			local filePath1 = "vegtype_cells_nc_basic.shp"
@@ -78,7 +79,8 @@ return {
 			local l = Layer {
 				project = proj,
 				name = vegType,
-				file = filePath("test/vegtype_2000.nc", "gis")
+				file = filePath("test/vegtype_2000.nc", "gis"),
+				epsg = 4326
 			}
 
 			unitTest:assertEquals(l:representation(), "raster") -- SKIP
@@ -101,7 +103,8 @@ return {
 			local l = Layer {
 				project = proj,
 				name = vegType,
-				file = filePath("test/vegtype_2000.nc", "gis")
+				file = filePath("test/vegtype_2000.nc", "gis"),
+				epsg = 4326
 			}
 
 			unitTest:assertEquals(l:bands(), 1) -- SKIP
@@ -125,11 +128,12 @@ return {
 			local l = Layer {
 				project = proj,
 				name = layerName1,
-				file = filePath("test/vegtype_2000.nc", "gis")
+				file = filePath("test/vegtype_2000.nc", "gis"),
+				epsg = 4326
 			}
 
 			unitTest:assertEquals( -- SKIP
-tostring(l), [[epsg     number [0]
+tostring(l), [[epsg     number [4326]
 file     string [vegtype_2000.nc]
 name     string [Vegtype_layer]
 project  Project