diff --git a/hpack.cabal b/hpack.cabal
--- a/hpack.cabal
+++ b/hpack.cabal
@@ -1,9 +1,9 @@
--- This file has been generated from package.yaml by hpack version 0.8.0.
+-- This file has been generated from package.yaml by hpack version 0.9.0.
 --
 -- see: https://github.com/sol/hpack
 
 name:           hpack
-version:        0.9.0
+version:        0.9.1
 synopsis:       An alternative format for Haskell packages
 category:       Development
 homepage:       https://github.com/sol/hpack#readme
diff --git a/src/Hpack/Config.hs b/src/Hpack/Config.hs
--- a/src/Hpack/Config.hs
+++ b/src/Hpack/Config.hs
@@ -467,6 +467,12 @@
     cppOptions = fromMaybeList commonOptionsCppOptions
     dependencies = fromMaybeList commonOptionsDependencies
 
+pathsModuleFromPackageName :: String -> String
+pathsModuleFromPackageName name = "Paths_" ++ map f name
+  where
+    f '-' = '_'
+    f x = x
+
 determineModules :: String -> [String] -> Maybe (List String) -> Maybe (List String) -> ([String], [String])
 determineModules name modules mExposedModules mOtherModules = case (mExposedModules, mOtherModules) of
   (Nothing, Nothing) -> (modules, [])
@@ -474,7 +480,7 @@
   where
     otherModules   = maybe ((modules \\ exposedModules) ++ pathsModule) fromList mOtherModules
     exposedModules = maybe (modules \\ otherModules)   fromList mExposedModules
-    pathsModule = ["Paths_" ++ name] \\ exposedModules
+    pathsModule = [pathsModuleFromPackageName name] \\ exposedModules
 
 getModules :: FilePath -> FilePath -> IO [String]
 getModules dir src_ = sort <$> do
diff --git a/test/Hpack/ConfigSpec.hs b/test/Hpack/ConfigSpec.hs
--- a/test/Hpack/ConfigSpec.hs
+++ b/test/Hpack/ConfigSpec.hs
@@ -130,8 +130,11 @@
     it "adds the Paths_* module to the other-modules" $ do
       determineModules "foo" [] (Just $ List ["Foo"]) Nothing `shouldBe` (["Foo"], ["Paths_foo"])
 
+    it "replaces dashes with underscores in Paths_*" $ do
+      determineModules "foo-bar" [] (Just $ List ["Foo"]) Nothing `shouldBe` (["Foo"], ["Paths_foo_bar"])
+
     context "when the Paths_* module is part of the exposed-modules" $ do
-      it "it does not add the Paths_* module to the other-modules" $ do
+      it "does not add the Paths_* module to the other-modules" $ do
         determineModules "foo" [] (Just $ List ["Foo", "Paths_foo"]) Nothing `shouldBe` (["Foo", "Paths_foo"], [])
 
   describe "readPackageConfig" $ do