diff --git a/src/sim/Makefile.am b/src/sim/Makefile.am
index 90df84e..2b30ae9 100644
--- a/src/sim/Makefile.am
+++ b/src/sim/Makefile.am
@@ -13,7 +13,8 @@
 
 lib_LTLIBRARIES = libosmosim.la
 
-libosmosim_la_SOURCES = core.c card_fs_sim.c card_fs_usim.c card_fs_uicc.c card_fs_isim.c reader.c reader_pcsc.c
+libosmosim_la_SOURCES = core.c reader.c reader_pcsc.c \
+			card_fs_sim.c card_fs_usim.c card_fs_uicc.c card_fs_isim.c card_fs_tetra.c
 libosmosim_la_LDFLAGS = -version-info $(LIBVERSION)
 libosmosim_la_LIBADD = $(LIBOSMOCORE_LIBS) $(LIBOSMOGSM_LIBS) $(PCSC_LIBS)