diff --git a/test/multiprotocoltest.py b/test/multiprotocoltest.py
index f8145c9..7762fe8 100755
--- a/test/multiprotocoltest.py
+++ b/test/multiprotocoltest.py
@@ -24,6 +24,8 @@
 
 import tuplesdo
 import copy
+import scythercache
+from tempfile import NamedTemporaryFile
 
 # ***********************
 # 	PARAMETERS
@@ -38,7 +40,6 @@ TempFileTuples = "scyther-blip.tmp"
 
 # External programs
 TupleProgram = "./tuples.py"
-ScytherProgram = "../src/scyther"
 
 # Scyther parameters
 ScytherDefaults	= "--summary"
@@ -47,7 +48,7 @@ ScytherBounds	= "--timer=5 --max-runs=5 --max-length=20"
 
 # Build a large part of the command line (for Scyther) already
 ScytherArgs = ScytherDefaults + " " + ScytherMethods + " " + ScytherBounds
-CommandPrefix = ScytherProgram + " " + ScytherArgs
+CommandPrefix = "scyther "
 
 # Some default settings for Agents, untrusted e with sk(e) and k(a,e) etc.
 IncludeProtocols = '../spdl/spdl-defaults.inc'
@@ -132,8 +133,15 @@ def ScytherEval (plist):
 	sys.stdout.flush()
 	sys.stderr.flush()
 
+	# Combine protocol list to an input
+	input = ""
+	for fn in plist:
+		f = open(fn, "r")
+		input = input + f.read()
+		f.close()
+		
 	# Use Scyther
-	(status,scout) = commands.getstatusoutput(CommandLine (plist))
+	(status,scout) = scythercache.eval(ScytherArgs,input)
 
 	if status == 1 or status < 0:
 		# Something went wrong
diff --git a/test/scythercache.py b/test/scythercache.py
index 85812e0..38cc4ed 100644
--- a/test/scythercache.py
+++ b/test/scythercache.py
@@ -9,6 +9,8 @@
 import md5
 import commands
 import os
+import sys
+from tempfile import NamedTemporaryFile, gettempdir
 
 #	scyther should reside in $PATH
 def scythercall (argumentstring, inputfile):
@@ -19,7 +21,7 @@ def scythercall (argumentstring, inputfile):
 #	cached results
 #	input:	a large string (consisting of read input files)
 #	argstring:	a smaller string
-def scythercache (argumentstring, inputstring):
+def eval (argumentstring, inputstring):
 
 	def cacheid():
 		m = md5.new()
@@ -42,29 +44,28 @@ def scythercache (argumentstring, inputstring):
 		# Return a readable ID (good for a filename)
 		return m.hexdigest()
 
+	# Ensure directory
+	def ensureDirectory (path):
+		if not os.path.exists(path):
+			os.mkdir(path)
+
 	# Ensure directories for a file
 	def ensureDirectories (filename):
-
-		def ensureDir (plist):
-			if len(plist) > 1:
-				ensureDir (plist[:-1])
-			path = plist.join("/")
-			if not os.path.exists(path):
-				os.mkdir(path)
-
-		dir = os.path.dirname(filename)
-		ensuredir (dir.split("/"))
+		for i in range(1,len(filename)):
+			if filename[i] == '/':
+				np = i+1
+				ensureDirectory(filename[:np])
 
 	# Determine the unique filename for this test
 	id = cacheid()
-	filename = "scythercache/" + id[:2] + "/res-" + id[2:] + ".txt"
+	filename = "scyther/cache-" + id[:3] + "/res-" + id[3:] + ".txt"
 	cachefile = gettempdir() + "/" + filename
 	ensureDirectories(cachefile)
 
 	# Does it already exist?
 	if os.path.exists(cachefile):
 		# Great: return the cached results
-		f = open(cachefile,"r")
+		f = open(cachefile,'r')
 		res = f.read()
 		f.close()
 		return (0,res)
@@ -72,11 +73,20 @@ def scythercache (argumentstring, inputstring):
 		# Hmm, we need to compute this result
 		h = NamedTemporaryFile()
 		h.write(inputstring)
+		h.flush()
 		(status, scout) = scythercall (argumentstring, h.name)
 		h.close()
-		f = open(cachefile,"w")
-		f.write(scout)
-		f.close()
+		if not(status <= 0 or status == 1):
+			# All is well
+			f = open(cachefile,'w')
+			f.write(scout)
+			f.close()
+		else:
+			print status
+			print scout
+			print h.name
+
+		sys.exit()
 		return (status,scout)