diff --git a/src/Data/Radix1Tree/Word8/Lazy/Unsafe.hs b/src/Data/Radix1Tree/Word8/Lazy/Unsafe.hs
index ec8dbfa..8bccf6b 100644
--- a/src/Data/Radix1Tree/Word8/Lazy/Unsafe.hs
+++ b/src/Data/Radix1Tree/Word8/Lazy/Unsafe.hs
@@ -79,7 +79,7 @@ import           Data.RadixNTree.Word8.Key
 import           Data.RadixNTree.Word8.Common
 import           Data.RadixNTree.Word8.Lazy
 import           Radix.Exception
-import           Radix.Word.Foundation
+import           Radix.Word8.Foundation
 
 
 
diff --git a/src/Data/Radix1Tree/Word8/Strict/Unsafe.hs b/src/Data/Radix1Tree/Word8/Strict/Unsafe.hs
index 6fce1b1..e53b586 100644
--- a/src/Data/Radix1Tree/Word8/Strict/Unsafe.hs
+++ b/src/Data/Radix1Tree/Word8/Strict/Unsafe.hs
@@ -83,7 +83,7 @@ import           Data.RadixNTree.Word8.Key
 import           Data.RadixNTree.Word8.Common
 import           Data.RadixNTree.Word8.Strict
 import           Radix.Exception
-import           Radix.Word.Foundation
+import           Radix.Word8.Foundation