diff --git a/examples/http-reverse-proxy/Makefile b/examples/http-reverse-proxy/Makefile
index 6360715b..ed961a99 100644
--- a/examples/http-reverse-proxy/Makefile
+++ b/examples/http-reverse-proxy/Makefile
@@ -1,11 +1,13 @@
 PROG ?= example
 CFLAGS ?= -DMG_IO_SIZE=128
-MBEDTLS_DIR ?=
+SSL = ?
 
-ifeq "$(MBEDTLS_DIR)" ""
-else
-CFLAGS += -DMG_ENABLE_MBEDTLS=1 -I$(MBEDTLS_DIR)/include -I/usr/include
-CFLAGS += -L$(MBEDTLS_DIR)/lib -lmbedtls -lmbedcrypto -lmbedx509
+ifeq "$(SSL)" "MBEDTLS"
+CFLAGS += -DMG_ENABLE_MBEDTLS=1 -lmbedtls -lmbedcrypto -lmbedx509
+endif
+
+ifeq "$(SSL)" "OPENSSL"
+CFLAGS += -DMG_ENABLE_OPENSSL=1 -lssl -lcrypto
 endif
 
 all: $(PROG)
@@ -13,7 +15,7 @@ all: $(PROG)
 
 
 $(PROG): main.c
-	$(CC) ../../mongoose.c -I../.. -W -Wall $(CFLAGS) -o $(PROG) main.c
+	$(CC) ../../mongoose.c -I../.. -W -Wall $(CFLAGS) $(EXTRA_CFLAGS) -o $(PROG) main.c
 
 clean:
 	rm -rf $(PROG) *.o *.dSYM *.gcov *.gcno *.gcda *.obj *.exe *.ilk *.pdb
diff --git a/examples/http-reverse-proxy/main.c b/examples/http-reverse-proxy/main.c
index a049cc71..1b55019a 100644
--- a/examples/http-reverse-proxy/main.c
+++ b/examples/http-reverse-proxy/main.c
@@ -5,10 +5,14 @@
 //    1. Run `make`. This builds and starts a proxy on port 8000
 //    2. Start your browser, go to https://localhost:8000
 //
-// To enable SSL/TLS, build it like this:
-//    make MBEDTLS_DIR=/path/to/your/mbedtls/installation
+// To enable SSL/TLS, add SSL=OPENSSL or SSL=MBEDTLS
 
-static const char *s_backend_url = "https://cesanta.com";
+static const char *s_backend_url = 
+#if defined(MG_ENABLE_MBEDTLS) || defined(MG_ENABLE_OPENSSL)
+                                   "https://cesanta.com";
+#else
+                                   "http://info.cern.ch";
+#endif
 static const char *s_listen_url = "http://localhost:8000";
 
 #include "mongoose.h"