diff --git a/bacnet-stack/src/bacdcode/bacstr.c b/bacnet-stack/src/bacdcode/bac_bitstring.c
similarity index 100%
rename from bacnet-stack/src/bacdcode/bacstr.c
rename to bacnet-stack/src/bacdcode/bac_bitstring.c
diff --git a/bacnet-stack/src/bacdcode/bacstr.mak b/bacnet-stack/src/bacdcode/bac_bitstring.mak
similarity index 100%
rename from bacnet-stack/src/bacdcode/bacstr.mak
rename to bacnet-stack/src/bacdcode/bac_bitstring.mak