diff --git a/src/CurryCheck.curry b/src/CurryCheck.curry
index 13d099dae8a9fd919ae856eb5c4cdd7c4da8ebeb..ddf041725b3e1283c23cd5e7fdf2913fdaa1a0d8 100644
--- a/src/CurryCheck.curry
+++ b/src/CurryCheck.curry
@@ -39,24 +39,25 @@ import FlatCurry.Files
 import qualified FlatCurry.Goodies as FCG
 import Text.Pretty             ( pPrint )
 
-import CC.AnalysisHelpers      ( getTerminationInfos, getProductivityInfos
-                               , getUnsafeModuleInfos, dropPublicSuffix )
-import CC.Config               ( packagePath, packageVersion )
+import CC.AnalysisHelpers ( getTerminationInfos, getProductivityInfos
+                          , getUnsafeModuleInfos, dropPublicSuffix )
+import CC.Config          ( packagePath, packageVersion )
 import CC.Options
-import CheckDetUsage           ( checkDetUse, containsDetOperations)
+import CheckDetUsage      ( checkDetUse, containsDetOperations)
 import ContractUsage
-import DefaultRuleUsage        ( checkDefaultRules, containsDefaultRules )
+import DefaultRuleUsage   ( checkDefaultRules, containsDefaultRules )
 import PropertyUsage
-import SimplifyPostConds       ( simplifyPostConditionsWithTheorems )
-import TheoremUsage
-import UsageCheck              ( checkBlacklistUse, checkSetUse )
+import SimplifyPostConds  ( simplifyPostConditionsWithTheorems )
+import TheoremUsage       ( determinismTheoremFor, existsProofFor
+                          , getModuleProofFiles, getTheoremFunctions )
+import UsageCheck         ( checkBlacklistUse, checkSetUse )
 
 -- Banner of this tool:
 ccBanner :: String
 ccBanner = unlines [bannerLine,bannerText,bannerLine]
  where
    bannerText = "CurryCheck: a tool for testing Curry programs (Version " ++
-                packageVersion ++ " of 30/10/2018)"
+                packageVersion ++ " of 31/10/2018)"
    bannerLine = take (length bannerText) (repeat '-')
 
 -- Help text
@@ -870,7 +871,9 @@ analyseCurryProg opts modname orgprog = do
         maybe (error $ "Source file of module '"++modname++"' not found!") id
   let srcdir = takeDirectory srcfilename
   putStrLnIfDebug opts $ "Source file: " ++ srcfilename
-  prooffiles <- if optProof opts then getProofFiles srcdir else return []
+  prooffiles <- if optProof opts
+                  then getModuleProofFiles srcdir modname
+                  else return []
   unless (null prooffiles) $ putStrIfDetails opts $
     unlines ("Proof files found:" : map ("- " ++) prooffiles)
   progtxt <- readFile srcfilename
diff --git a/src/TheoremUsage.curry b/src/TheoremUsage.curry
index ca36f1e5a8664a92ac54f05ddcbefcecb5799480..7b5d6a5f6ef1d6f74d9910a5248695ad3e48a5fc 100644
--- a/src/TheoremUsage.curry
+++ b/src/TheoremUsage.curry
@@ -26,7 +26,7 @@
 
 module TheoremUsage
   ( determinismTheoremFor
-  , getProofFiles, existsProofFor, isProofFileName, isProofFileNameFor
+  , getModuleProofFiles, existsProofFor, isProofFileNameFor
   , getTheoremFunctions
   )  where
 
@@ -50,11 +50,11 @@ determinismTheoremFor funcname = funcname ++ "isdeterministic"
 -- Operations for proof files:
 
 --- Get the names of all files in the directory (first argument) containing
---- proofs of theorems.
-getProofFiles :: String -> IO [String]
-getProofFiles dir = do
+--- proofs of theorems of the module (second argument).
+getModuleProofFiles :: String -> String -> IO [String]
+getModuleProofFiles dir mod = do
   files <- getDirectoryContents dir
-  return (filter isProofFileName files)
+  return (filter (isModuleProofFileName mod) files)
 
 --- Does the list of file names (second argument) contain a proof of the
 --- qualified theorem name given as the first argument?
@@ -62,9 +62,12 @@ existsProofFor :: QName -> [String] -> Bool
 existsProofFor qpropname filenames =
   any (isProofFileNameFor qpropname) filenames
 
---- Is this a file name with a proof, i.e., start it with `proof`?
-isProofFileName :: String -> Bool
-isProofFileName fn = "proof" `isPrefixOf` (map toLower fn)
+--- Is the second argument a file name with a proof of some theorem of a module
+--- (first argument), i.e., start it with `proof` and the module name?
+isModuleProofFileName :: String -> String -> Bool
+isModuleProofFileName mn fn =
+  deleteNonAlphanNum ("proof" ++ map toLower mn)
+    `isPrefixOf` deleteNonAlphanNum (map toLower fn)
 
 --- Is this the file name of a proof of property `prop`?
 isProofFileNameFor :: QName -> String -> Bool
@@ -84,9 +87,9 @@ deleteNonAlphanNum = filter isAlphaNum
 --- A theorem is a property for which a proof file exists in the
 --- directory provided as first argument.
 getTheoremFunctions :: String -> CurryProg -> IO [CFuncDecl]
-getTheoremFunctions proofdir (CurryProg _ _ _ _ _ _ functions _) = do
+getTheoremFunctions proofdir (CurryProg mn _ _ _ _ _ functions _) = do
   let propfuncs = filter isProperty functions -- all properties
-  prooffiles <- getProofFiles proofdir
+  prooffiles <- getModuleProofFiles proofdir mn
   return $ filter (\fd -> existsProofFor (funcName fd) prooffiles)
                   propfuncs