diff --git a/lib/dune b/lib/dune
index 56b5cf4a..945ac78c 100644
--- a/lib/dune
+++ b/lib/dune
@@ -8,7 +8,7 @@
   read.ml
   write.ml
   safe.ml
-  pretty.ml
+  prettyprint.ml
   write2.ml
   common.ml
   util.ml
diff --git a/lib/pretty.ml b/lib/prettyprint.ml
similarity index 100%
rename from lib/pretty.ml
rename to lib/prettyprint.ml
diff --git a/lib/yojson.cppo.ml b/lib/yojson.cppo.ml
index 3c4df1bc..e038e08a 100644
--- a/lib/yojson.cppo.ml
+++ b/lib/yojson.cppo.ml
@@ -13,7 +13,7 @@
 #include "monomorphic.ml"
 module Pretty =
 struct
-#include "pretty.ml"
+#include "prettyprint.ml"
 end
 #include "write2.ml"
 #undef INT
@@ -34,7 +34,7 @@ struct
 #include "write.ml"
 module Pretty =
 struct
-#include "pretty.ml"
+#include "prettyprint.ml"
 end
 #include "monomorphic.ml"
 #include "write2.ml"
@@ -61,7 +61,7 @@ struct
 #include "write.ml"
 module Pretty =
 struct
-#include "pretty.ml"
+#include "prettyprint.ml"
 end
 #include "monomorphic.ml"
 #include "write2.ml"
@@ -89,7 +89,7 @@ struct
 #include "write.ml"
 module Pretty =
 struct
-#include "pretty.ml"
+#include "prettyprint.ml"
 end
 #include "monomorphic.ml"
 #include "write2.ml"