diff --git a/src/Makefile.files b/src/Makefile.files
index 641af2fb6..763a91b09 100644
--- a/src/Makefile.files
+++ b/src/Makefile.files
@@ -1,7 +1,7 @@
 
 SRCDIR ?= .
 
-SIGS_PACKER:=environment/tezos_protocol_environment_sigs_packer
+SIGS_PACKER:=environment/sigs_packer/sigs_packer
 PACKED_SIGS_V1:=environment/tezos_protocol_environment_sigs_v1
 
 ENVIRONMENT_SOURCE_DIRECTORIES := \
diff --git a/src/environment/tezos_protocol_environment_sigs_packer.ml b/src/environment/sigs_packer/sigs_packer.ml
similarity index 100%
rename from src/environment/tezos_protocol_environment_sigs_packer.ml
rename to src/environment/sigs_packer/sigs_packer.ml