diff --git a/tests/testUtils.py b/tests/testUtils.py
index 9df87e90bf0..3d5a0f2efb7 100755
--- a/tests/testUtils.py
+++ b/tests/testUtils.py
@@ -1769,7 +1769,8 @@ def discoverLocalNodes(self, totalNodes, timeout=0):
         nodes=[]
 
         pgrepOpts="-fl"
-        if platform.linux_distribution()[0] == "Ubuntu" or platform.linux_distribution()[0] == "LinuxMint" or platform.linux_distribution()[0] == "Fedora":
+        if platform.linux_distribution()[0] == "Ubuntu" or platform.linux_distribution()[0] == "LinuxMint" or platform.linux_distribution()[0] == "Fedora" or\
+                platform.linux_distribution()[0] == "arch":
             pgrepOpts="-a"
 
         endTime=time.time()+timeout