diff --git a/debian/rules b/debian/rules
index 1cab8bfc6..724e2d1f2 100755
--- a/debian/rules
+++ b/debian/rules
@@ -9,6 +9,8 @@ DEB_MAKE_CLEAN_TARGET := distclean
 DEB_INSTALL_MANPAGES_e17 := $(DEB_SRCDIR)/debian/enlightenment.1 $(DEB_SRCDIR)/debian/enlightenment_*.1
 DEB_DH_STRIP_ARGS := --dbg-package=e17-dbg
 DEB_CONFIGURE_EXTRA_FLAGS := --disable-rpath --sysconfdir=/etc
+CFLAGS += -fvisibility=hidden
+LDFLAGS += -fvisibility=hidden
 
 binary-predeb/e17::
 	chmod 4755 debian/e17/usr/lib/enlightenment/utils/enlightenment_sys