diff --git a/src/proto_alpha/lib_protocol/src/TEZOS_PROTOCOL b/src/proto_alpha/lib_protocol/src/TEZOS_PROTOCOL
index 170e27dba..0f5ae2e4b 100644
--- a/src/proto_alpha/lib_protocol/src/TEZOS_PROTOCOL
+++ b/src/proto_alpha/lib_protocol/src/TEZOS_PROTOCOL
@@ -52,7 +52,7 @@
         "Vote_storage",
         "Commitment_storage",
         "Init_storage",
-        "Fees",
+        "Fees_storage",
 
         "Alpha_context",
 
diff --git a/src/proto_alpha/lib_protocol/src/alpha_context.ml b/src/proto_alpha/lib_protocol/src/alpha_context.ml
index 8c658952c..b0c862e84 100644
--- a/src/proto_alpha/lib_protocol/src/alpha_context.ml
+++ b/src/proto_alpha/lib_protocol/src/alpha_context.ml
@@ -54,7 +54,7 @@ module Script = struct
   include Michelson_v1_primitives
   include Script_repr
 end
-module Fees = Fees
+module Fees = Fees_storage
 
 type public_key = Signature.Public_key.t
 type public_key_hash = Signature.Public_key_hash.t
diff --git a/src/proto_alpha/lib_protocol/src/fees.ml b/src/proto_alpha/lib_protocol/src/fees_storage.ml
similarity index 100%
rename from src/proto_alpha/lib_protocol/src/fees.ml
rename to src/proto_alpha/lib_protocol/src/fees_storage.ml
diff --git a/src/proto_alpha/lib_protocol/src/fees.mli b/src/proto_alpha/lib_protocol/src/fees_storage.mli
similarity index 100%
rename from src/proto_alpha/lib_protocol/src/fees.mli
rename to src/proto_alpha/lib_protocol/src/fees_storage.mli