diff --git a/ROSCO_testing/ROSCO_testing.py b/ROSCO_testing/ROSCO_testing.py
index 0d0529c76..f3c5f7c22 100644
--- a/ROSCO_testing/ROSCO_testing.py
+++ b/ROSCO_testing/ROSCO_testing.py
@@ -138,7 +138,7 @@ def ROSCO_Test_lite(self, more_case_inputs=None):
         iec.Turbsim_exe = self.Turbsim_exe
         iec.debug_level = self.debug_level
         iec.cores = self.cores
-        iec.run_dir = self.runDir
+        iec.run_dir = os.path.join(self.runDir,'wind')
         iec.overwrite = self.overwrite
         # iec.overwrite       = False
         if self.cores > 1: