diff --git a/package/libs/ustream-ssl/Makefile b/package/libs/ustream-ssl/Makefile
index 3d1e48dcbd..f762c89d29 100644
--- a/package/libs/ustream-ssl/Makefile
+++ b/package/libs/ustream-ssl/Makefile
@@ -1,7 +1,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=ustream-ssl
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL=$(PROJECT_GIT)/project/ustream-ssl.git
@@ -37,6 +37,7 @@ define Package/libustream-wolfssl
   $(Package/libustream/default)
   TITLE += (wolfssl)
   DEPENDS += +PACKAGE_libustream-wolfssl:libwolfssl
+  CONFLICTS := libustream-openssl
   VARIANT:=wolfssl
 endef
 
@@ -44,6 +45,7 @@ define Package/libustream-mbedtls
   $(Package/libustream/default)
   TITLE += (mbedtls)
   DEPENDS += +libmbedtls
+  CONFLICTS := libustream-openssl libustream-wolfssl
   VARIANT:=mbedtls
   DEFAULT_VARIANT:=1
 endef