diff --git a/Makefile.detect b/Makefile.detect
index 2a3fe4f3..73d8cd7c 100644
--- a/Makefile.detect
+++ b/Makefile.detect
@@ -9,6 +9,7 @@ PLATFORM=macosx
 else
 ifeq ($(shell uname),FreeBSD)
 PLATFORM=bsd
+LIBCHIBI_FLAGS = -Wl,-soname,libchibi-scheme$(SO).$(SOVERSION_MAJOR)
 else
 ifeq ($(shell uname),NetBSD)
 PLATFORM=bsd