diff --git a/HScope.hs b/HScope.hs
--- a/HScope.hs
+++ b/HScope.hs
@@ -127,7 +127,7 @@
                 in if rest == " is not enabled"
                    then go ((classifyExtension ext):exts)
                    else Left $ str ++ " for " ++ f ++ " at " ++ show src
-    pmode exts = defaultParseMode { fixities = Just baseFixities
+    pmode exts = defaultParseMode { fixities = Just []
                             , extensions = exts
                             , parseFilename = f }
 
diff --git a/hscope.cabal b/hscope.cabal
--- a/hscope.cabal
+++ b/hscope.cabal
@@ -1,5 +1,5 @@
 Name:           hscope
-Version:        0.1.1
+Version:        0.1.2
 License:        BSD3
 License-File:   COPYING
 Category:       source-tools
@@ -24,6 +24,7 @@
 Stability:      Experimental
 Extra-Source-Files:
     t/files/Arrow.hs
+    t/files/Fixity.hs
     t/files/a/c.h
     t/files/a/a.h
     t/files/b/b.h
diff --git a/t/Build.hs b/t/Build.hs
--- a/t/Build.hs
+++ b/t/Build.hs
@@ -23,7 +23,7 @@
 
 main :: IO ()
 main = withTemporaryDirectory "/tmp/hscope_test_XXXXXX" $ \td -> testSimpleMain $ do
-    plan 43
+    plan 45
     hpath <- liftIO $ canonicalizePath "./dist/build/hscope/hscope"
     tfile <- liftIO $ canonicalizePath "./t/files/Simple.hs"
     ec1 <- liftIO $ system $ "cd " ++ td ++ " && " ++ hpath ++ " -b " ++ tfile
@@ -128,5 +128,13 @@
 
     res17 <- liftIO $ readProcess hpath [ "--build" ] ""
     like res17 $ "Please provide files to build the hscope database"
+
+    res18 <- liftIO $ readProcess hpath [ "--build", "-f", td ++ "/foo.out"
+                            , "t/files/Fixity.hs" ] ""
+    is res18 $ ""
+
+    res19 <- liftIO $ readProcess hpath [ "-d", "-f", td ++ "/foo.out"
+                                            , "-3", "==>" ] ""
+    like res19 "0 ==>"
 
     return ()
diff --git a/t/files/Fixity.hs b/t/files/Fixity.hs
new file mode 100644
--- /dev/null
+++ b/t/files/Fixity.hs
@@ -0,0 +1,6 @@
+module HScopeBug where
+import Test.QuickCheck ((==>))
+
+epsilon = 0.05
+f = (* 1.1)
+propInfixBug x = x > 0 ==> f x < epsilon