diff --git a/camlibs/topfield/Makefile-files b/camlibs/topfield/Makefile-files
index 55ad9686b..5bf1eca26 100644
--- a/camlibs/topfield/Makefile-files
+++ b/camlibs/topfield/Makefile-files
@@ -3,4 +3,4 @@ topfield_la_SOURCES =  topfield/crc16.c topfield/crc16.h topfield/tf_bytes.c top
 			topfield/puppy.c topfield/usb_io.h topfield/usb_io.c
 topfield_la_LDFLAGS = $(camlib_ldflags)
 topfield_la_DEPENDENCIES = $(camlib_dependencies)
-topfield_la_LIBADD = $(camlib_libadd)
+topfield_la_LIBADD = $(camlib_libadd) $(LTLIBICONV)