diff --git a/src/Makefile.am b/src/Makefile.am
index 5c7bf0c..f1ec132 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -10,7 +10,7 @@ libmrss_la_SOURCES = \
 	mrss_options.c \
 	mrss_search.c
 
-libmrss_la_LDFLAGS = -version-info @LIBMRSS_VERSION_INFO@
+libmrss_la_LDFLAGS = -no-undefined -version-info @LIBMRSS_VERSION_INFO@
 
 EXTRA_DIST = mrss.h.in mrss.h mrss_internal.h