diff --git a/http.c b/http.c
index 8f149f56..e1c3f79c 100644
--- a/http.c
+++ b/http.c
@@ -520,8 +520,8 @@ char *local_strcasestr(const char *haystack, const char *needle)
 #define strcasestr local_strcasestr
 #endif
 
-int openconnect_parse_url(char *url, char **res_proto, char **res_host, int *res_port,
-	      char **res_path, int default_port)
+int internal_parse_url(char *url, char **res_proto, char **res_host,
+		       int *res_port, char **res_path, int default_port)
 {
 	char *proto = url;
 	char *host, *path, *port_str;
@@ -668,7 +668,7 @@ int openconnect_obtain_cookie(struct openconnect_info *vpninfo)
 			free(vpninfo->urlpath);
 			vpninfo->urlpath = NULL;
 
-			ret = openconnect_parse_url(vpninfo->redirect_url, NULL, &host, &port, &vpninfo->urlpath, 0);
+			ret = internal_parse_url(vpninfo->redirect_url, NULL, &host, &port, &vpninfo->urlpath, 0);
 			if (ret) {
 				vpninfo->progress(vpninfo, PRG_ERR, "Failed to parse redirected URL '%s': %s\n",
 						  vpninfo->redirect_url, strerror(-ret));
@@ -1088,8 +1088,8 @@ int openconnect_set_http_proxy(struct openconnect_info *vpninfo, char *proxy)
 	free(vpninfo->proxy);
 	vpninfo->proxy = NULL;
 
-	ret = openconnect_parse_url(url, &vpninfo->proxy_type, &vpninfo->proxy,
-			&vpninfo->proxy_port, NULL, 80);
+	ret = internal_parse_url(url, &vpninfo->proxy_type, &vpninfo->proxy,
+				 &vpninfo->proxy_port, NULL, 80);
 	if (ret)
 		goto out;
 
diff --git a/main.c b/main.c
index 98d6dae9..a5969bb1 100644
--- a/main.c
+++ b/main.c
@@ -484,7 +484,7 @@ int main(int argc, char **argv)
 		char *scheme;
 		char *group;
 
-		if (openconnect_parse_url(url, &scheme, &vpninfo->hostname, &vpninfo->port,
+		if (internal_parse_url(url, &scheme, &vpninfo->hostname, &vpninfo->port,
 			      &group, 443)) {
 			fprintf(stderr, "Failed to parse server URL '%s'\n",
 				url);
diff --git a/nm-auth-dialog.c b/nm-auth-dialog.c
index e38300fa..09f0de1c 100644
--- a/nm-auth-dialog.c
+++ b/nm-auth-dialog.c
@@ -1197,7 +1197,7 @@ static void connect_host(auth_ui_data *ui_data)
 	for (i = 0; i < host_nr; i++)
 		host = host->next;
 
-	if (openconnect_parse_url(host->hostaddress, NULL,
+	if (internal_parse_url(host->hostaddress, NULL,
 		      &ui_data->vpninfo->hostname, &ui_data->vpninfo->port,
 		      &ui_data->vpninfo->urlpath, 443)) {
 		fprintf(stderr, "Failed to parse server URL '%s'\n",
diff --git a/openconnect-internal.h b/openconnect-internal.h
index 85402295..7d458626 100644
--- a/openconnect-internal.h
+++ b/openconnect-internal.h
@@ -279,6 +279,8 @@ int parse_xml_response(struct openconnect_info *vpninfo, char *response,
 
 /* http.c */
 int process_proxy(struct openconnect_info *vpninfo, int ssl_sock);
+int internal_parse_url(char *url, char **res_proto, char **res_host,
+		       int *res_port, char **res_path, int default_port);
 
 /* ssl_ui.c */
 int set_openssl_ui(void);
diff --git a/openconnect.h b/openconnect.h
index 9835b2e4..75118fb7 100644
--- a/openconnect.h
+++ b/openconnect.h
@@ -96,7 +96,5 @@ int openconnect_obtain_cookie(struct openconnect_info *vpninfo);
 void openconnect_close_https(struct openconnect_info *vpninfo);
 char *openconnect_create_useragent(char *base);
 void openconnect_init_openssl(void);
-int openconnect_parse_url(char *url, char **res_proto, char **res_host,
-			  int *res_port, char **res_path, int default_port);
 
 #endif /* __OPENCONNECT_H__ */
diff --git a/ssl.c b/ssl.c
index a7f30daf..65a2871e 100644
--- a/ssl.c
+++ b/ssl.c
@@ -605,7 +605,7 @@ int match_cert_hostname(struct openconnect_info *vpninfo, X509 *peer_cert)
 			if (strlen(str) != len)
 				continue;
 
-			if (openconnect_parse_url(str, &url_proto, &url_host, &url_port, &url_path, 0)) {
+			if (internal_parse_url(str, &url_proto, &url_host, &url_port, &url_path, 0)) {
 				OPENSSL_free(str);
 				continue;
 			}
@@ -903,7 +903,7 @@ int openconnect_open_https(struct openconnect_info *vpninfo)
 				    (!strncmp(proxies[i], "http://", 7) ||
 				     !strncmp(proxies[i], "socks://", 8) ||
 				     !strncmp(proxies[i], "socks5://", 9)))
-					openconnect_parse_url(proxies[i], &vpninfo->proxy_type,
+					internal_parse_url(proxies[i], &vpninfo->proxy_type,
 						  &vpninfo->proxy, &vpninfo->proxy_port,
 						  NULL, 0);
 				i++;