diff --git a/src/Makefile.am b/src/Makefile.am
index ea6784f..7561ebf 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -49,7 +49,7 @@ libvfrnav_la_LIBADD = libwmostns.la libsimd.la @LIBS@ @GTKMM_LIBS@ @GLIBMM_LIBS@
 	@LIBXMLPP_LIBS@ @GEOS_LIBS@ @CLIPPER_LIBS@ @OPENJPEG_LIBS@ @LIBSOUP_LIBS@ \
 	@LIBRSVG_LIBS@ @LIBCRYPTO_LIBS@ @PQXX_LIBS@
 libvfrnav_la_LDFLAGS = -no-undefined -version-info 0:0:0 \
-	@BOOST_LDFLAGS@ @GEOS_LDFLAGS@ @CLIPPER_LDFLAGS@
+	@BOOST_LDFLAGS@ @GEOS_LDFLAGS@ @CLIPPER_LDFLAGS@ -lgcc_s -lgcc
 
 vfrnav_SOURCES = vfrnav.cc RouteEditUi.cc Navigate.cc
 vfrnav_LDADD = libvfrnav.la @LIBS@ @GTKMM_LIBS@ @GLIBMM_LIBS@ @GIOMM_LIBS@ \