diff --git a/Code/Mantid/Testing/SystemTests/tests/analysis/SNSPowderRedux.py b/Code/Mantid/Testing/SystemTests/tests/analysis/SNSPowderRedux.py
index a155ba3ae80b73eb84dfdd0a24bc9c671a56632b..26f0aab056e6c8096ca533e489f2f09f52537eec 100644
--- a/Code/Mantid/Testing/SystemTests/tests/analysis/SNSPowderRedux.py
+++ b/Code/Mantid/Testing/SystemTests/tests/analysis/SNSPowderRedux.py
@@ -5,6 +5,13 @@ from mantid.api import FileFinder
 
 import os
 
+def _skip_test():
+    """Helper function to determine if we run the test"""
+    import platform
+
+    # Only runs on RHEL6 at the moment
+    return ("Linux" not in platform.platform())
+
 def getSaveDir():
     """determine where to save - the current working directory"""
     import os
@@ -31,6 +38,9 @@ class PG3Analysis(stresstesting.MantidStressTest):
     cal_file  = "PG3_FERNS_d4832_2011_08_24.cal"
     char_file = "PG3_characterization_2011_08_31-HR.txt"
 
+    def skipTests(self):
+        return _skip_test()
+
     def cleanup(self):
         do_cleanup()
         return True
@@ -72,6 +82,9 @@ class PG3StripPeaks(stresstesting.MantidStressTest):
     ref_file = 'PG3_4866_reference.gsa'
     cal_file  = "PG3_FERNS_d4832_2011_08_24.cal"
 
+    def skipTests(self):
+        return _skip_test()
+
     def cleanup(self):
         do_cleanup()
         return True