diff --git a/nsock/src/proxy_http.c b/nsock/src/proxy_http.c
index c693148c4..960fe790d 100644
--- a/nsock/src/proxy_http.c
+++ b/nsock/src/proxy_http.c
@@ -67,8 +67,7 @@
 
 
 extern struct timeval nsock_tod;
-
-const struct proxy_spec ProxySpecHttp;
+extern const struct proxy_spec ProxySpecHttp;
 
 
 static int proxy_http_node_new(struct proxy_node **node, const struct uri *uri) {
diff --git a/nsock/src/proxy_socks4.c b/nsock/src/proxy_socks4.c
index b95a58c8c..49d5cbe4c 100644
--- a/nsock/src/proxy_socks4.c
+++ b/nsock/src/proxy_socks4.c
@@ -68,8 +68,8 @@
 
 
 extern struct timeval nsock_tod;
+extern const struct proxy_spec ProxySpecSocks4;
 
-const struct proxy_spec ProxySpecSocks4;
 
 struct socks4_data {
     uint8_t  version;