diff --git a/src/HPath.hs b/src/HPath.hs
index e417019..7b6b0d2 100644
--- a/src/HPath.hs
+++ b/src/HPath.hs
@@ -95,6 +95,7 @@ instance RelC Fn
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 -- PatternSynonyms
 
+pattern Path :: ByteString -> Path a
 pattern Path x <- (MkPath x)
 
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