1 files changed, 2 insertions, 2 deletions
diff --git a/lib/ssh.h b/lib/ssh.h
index 8ac2a41ee..e87b21ba3 100644
--- a/lib/ssh.h
+++ b/lib/ssh.h
@@ -29,12 +29,12 @@ extern const struct Curl_handler Curl_handler_scp;
 extern const struct Curl_handler Curl_handler_sftp;
 
 ssize_t Curl_scp_send(struct connectdata *conn, int sockindex,
-                      void *mem, size_t len);
+                      const void *mem, size_t len);
 ssize_t Curl_scp_recv(struct connectdata *conn, int sockindex,
                       char *mem, size_t len);
 
 ssize_t Curl_sftp_send(struct connectdata *conn, int sockindex,
-                       void *mem, size_t len);
+                       const void *mem, size_t len);
 ssize_t Curl_sftp_recv(struct connectdata *conn, int sockindex,
                        char *mem, size_t len);