diff --git a/src/Makefile.am b/src/Makefile.am
index eb4a2bb..51b047e 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -63,6 +63,7 @@
 	rlc.cpp \
 	osmobts_sock.cpp \
 	gprs_codel.c \
+	coding_scheme.c \
 	gprs_coding_scheme.cpp \
 	egprs_rlc_compression.cpp