diff --git a/src/argotk.hs b/src/argotk.hs
index 2a6cb644b4f2f1fac8fc29dc08995a3d4c6cbfca..03dc7a1bbf901a1ccb956a23f447ff6f7d4e2661 100755
--- a/src/argotk.hs
+++ b/src/argotk.hs
@@ -193,7 +193,7 @@ configureTest = \case
     }
   TestSTREAM -> TestSpec
     { stackArgsUpdate = \sa -> sa
-      { app               = AppName "stream_c_20"
+      { app               = AppName "stream_c"
       , args              = []
       , daemon            = daemonBehavior
       , cmdrun            = runBehavior
@@ -290,7 +290,7 @@ configureTest = \case
       , description     = "Run AMG in the argo stack."
       , isTest          = NotTest
       }
-  RunSTREAM -> runAppSpec (AppName "stream_c_2000") []
+  RunSTREAM -> runAppSpec (AppName "stream_c") []
   RunLAMMPS -> TestSpec
       { stackArgsUpdate = \sa -> sa
         { app                  = AppName "mpirun"