diff --git a/RTCP/Cobalt/GPUProc/test/cmpfloat.py b/RTCP/Cobalt/GPUProc/test/cmpfloat.py
index 70abb5da4e9172134d74986d8f080bb924d026b4..e29a0e8182845703a56327f1f9b255d89ba96e48 100755
--- a/RTCP/Cobalt/GPUProc/test/cmpfloat.py
+++ b/RTCP/Cobalt/GPUProc/test/cmpfloat.py
@@ -11,7 +11,7 @@ from math import fabs
 
 # precision with which to compare: absolute differences smaller
 # than this are considered equal.
-PRECISION = 1e-10
+PRECISION = 1e-8
 
 def cmpfloat(filename_a, filename_b, precision = PRECISION):
   A = filename_a