diff --git a/src/networking.c b/src/networking.c
index 91bd5a6b..605621c1 100644
--- a/src/networking.c
+++ b/src/networking.c
@@ -1466,7 +1466,7 @@ void readQueryFromClient(aeEventLoop *el, int fd, void *privdata, int mask) {
     {
         ssize_t remaining = (size_t)(c->bulklen+2)-sdslen(c->querybuf);
 
-        if (remaining < readlen) readlen = remaining;
+        if (remaining > 0 && remaining < readlen) readlen = remaining;
     }
 
     qblen = sdslen(c->querybuf);
diff --git a/tests/support/server.tcl b/tests/support/server.tcl
index 5578f1fd..0edb25d8 100644
--- a/tests/support/server.tcl
+++ b/tests/support/server.tcl
@@ -4,7 +4,7 @@ set ::valgrind_errors {}
 
 proc start_server_error {config_file error} {
     set err {}
-    append err "Cant' start the Redis server\n"
+    append err "Can't start the Redis server\n"
     append err "CONFIGURATION:"
     append err [exec cat $config_file]
     append err "\nERROR:"