diff --git a/R/internal_tests.R b/R/internal_tests.R
index e8f182c..ca55b3f 100755
--- a/R/internal_tests.R
+++ b/R/internal_tests.R
@@ -45,7 +45,7 @@
   mf_login <- NULL
 
   if (!is.null(credentials) || is.null(getOption("earthdata_mf_login"))) {
-    mf_login <- mf_login(credentials, source = "earthdata")
+    mf_login <- mf_login(credentials)
     return(mf_login)
   }
 }