--- a/mozilla-tests/config.py
+++ b/mozilla-tests/config.py
@@ -2892,26 +2892,23 @@ for name, branch in items_at_least(BRANC
                                                     MOCHITEST_E10S + MOCHITEST_BC_7_E10S + MOCHITEST_BC_7
 
     if 'win7_vm_gfx' in win32:
         win32['win7_vm_gfx']['opt_unittest_suites'] += MOCHITEST_WEBGL_CHUNKED + MOCHITEST_WEBGL_CHUNKED_E10S + \
                                                        REFTEST_NOACCEL_E10S
         win32['win7_vm_gfx']['debug_unittest_suites'] += MOCHITEST_WEBGL_CHUNKED + MOCHITEST_WEBGL_CHUNKED_E10S + \
                                                          REFTEST_NOACCEL_E10S_TWO_CHUNKS
 
-# Bug 1313499 - Run reftest-gpu-e10s on AWS on Try only initially
-for name, branch in items_at_least(BRANCHES, 'gecko_version', 52):
+# Bug 1313499 - Run reftest-gpu-e10s on AWS on Gecko 53+
+for name, branch in items_at_least(BRANCHES, 'gecko_version', 53):
     # Skip branches where win32 isn't running
     if not nested_haskey(branch, 'platforms', 'win32'):
         continue
     win32 = branch['platforms']['win32']
 
-    if name != 'try':
-        continue
-
     if 'win7_vm_gfx' in win32:
         win32['win7_vm_gfx']['opt_unittest_suites'] += REFTEST_GPU_E10S
         win32['win7_vm_gfx']['debug_unittest_suites'] += REFTEST_GPU_E10S
 
 ###
 # Bug 1269543 - Stop running tests on OS X 10.6 on Firefox 49+
 for name, branch in items_at_least(BRANCHES, 'gecko_version', 49):
     if name in ['try']: