diff --git a/lib/http_ntlm.c b/lib/http_ntlm.c
index efc38c7d5..79481a46d 100644
--- a/lib/http_ntlm.c
+++ b/lib/http_ntlm.c
@@ -962,7 +962,7 @@ CURLcode Curl_output_ntlm_sso(struct connectdata *conn,
     conn->response_header = NULL;
     break;
   case NTLMSTATE_TYPE2:
-    input = aprintf("TT %s\n", conn->challenge_header);
+    input = aprintf("TT %s", conn->challenge_header);
     if(!input)
       return CURLE_OUT_OF_MEMORY;
     res = sso_ntlm_response(conn,
diff --git a/tests/server/fake_ntlm.c b/tests/server/fake_ntlm.c
index 2fff0b3e8..53f79c059 100644
--- a/tests/server/fake_ntlm.c
+++ b/tests/server/fake_ntlm.c
@@ -220,7 +220,7 @@ int main(int argc, char *argv[])
     }
   }
 
-  while(fgets(buf, 1024, stdin)) {
+  while(fgets(buf, sizeof(buf), stdin)) {
     if(strcmp(buf, type1_input) == 0) {
       stream=fopen(filename, "rb");
       if(!stream) {