diff --git a/src/flac/Makefile.am b/src/flac/Makefile.am
index 3d54a9f0..ab8b4fb2 100644
--- a/src/flac/Makefile.am
+++ b/src/flac/Makefile.am
@@ -32,10 +32,12 @@ flac_SOURCES = \
 	decode.c \
 	encode.c \
 	main.c \
+	utils.c \
 	vorbiscomment.c \
 	analyze.h \
 	decode.h \
 	encode.h \
+	utils.h \
 	vorbiscomment.h
 
 flac_LDADD = \
diff --git a/src/flac/Makefile.lite b/src/flac/Makefile.lite
index f0cf8fb4..86668226 100644
--- a/src/flac/Makefile.lite
+++ b/src/flac/Makefile.lite
@@ -42,6 +42,7 @@ SRCS_C = \
 	decode.c \
 	encode.c \
 	main.c \
+	utils.c \
 	vorbiscomment.c
 
 include $(topdir)/build/exe.mk
diff --git a/src/flac/Makefile.vc b/src/flac/Makefile.vc
index 9c870771..8c37abb9 100644
--- a/src/flac/Makefile.vc
+++ b/src/flac/Makefile.vc
@@ -32,6 +32,7 @@ C_FILES= \
 	decode.c \
 	encode.c \
 	main.c \
+	utils.c \
 	vorbiscomment.c
 
 OBJS= $(C_FILES:.c=.obj)
diff --git a/src/flac/flac.dsp b/src/flac/flac.dsp
index 6b20fd8b..68345992 100644
--- a/src/flac/flac.dsp
+++ b/src/flac/flac.dsp
@@ -105,6 +105,10 @@ SOURCE=.\main.c
 # End Source File
 # Begin Source File
 
+SOURCE=.\utils.c
+# End Source File
+# Begin Source File
+
 SOURCE=.\vorbiscomment.c
 # End Source File
 # End Group
@@ -125,6 +129,10 @@ SOURCE=.\encode.h
 # End Source File
 # Begin Source File
 
+SOURCE=.\utils.h
+# End Source File
+# Begin Source File
+
 SOURCE=.\vorbiscomment.h
 # End Source File
 # End Group