diff --git a/net/kamailio/Makefile b/net/kamailio/Makefile
index 757fc9cc8..588edbad5 100644
--- a/net/kamailio/Makefile
+++ b/net/kamailio/Makefile
@@ -109,6 +109,7 @@ define Build/Compile
 		SYSBASE="$(STAGING_DIR)/usr" \
 		PCREDEFS:="$(TARGET_CPPFLAGS)" \
 		PCRELIBS:="$(TARGET_LDFLAGS)" \
+		CROSS_COMPILE=1 \
 		all
 	$(MAKE) -C $(PKG_BUILD_DIR) $(PKG_MAKE_ARGS) \
 		DESTDIR="$(PKG_INSTALL_DIR)" \