--- a/mozilla-tests/production_config.py
+++ b/mozilla-tests/production_config.py
@@ -36,17 +36,17 @@ for i in range(102, 103):  # Use win8's 
     SLAVES['win10']['t-w864-ix-%03i' % i] = {}
 
 for i in range(1, 34) + range(35, 93) + range(95, 147) + range(164, 166):  # slaves 0034&0093&0094&0153 have been decommed
     SLAVES['snowleopard']['t-snow-r4-%04i' % i] = {}
 
 for i in range(1, 3) + range(7, 8):   #slaves decomm bug 1226180
     SLAVES['yosemite']['t-yosemite-r5-%04i' % i] = {}
 
-for i in range(1, 201):
+for i in range(1, 393):
     SLAVES['yosemite_r7']['t-yosemite-r7-%04i' % i] = {}
 
 for i in range(1, 800) + range(1000, 1100):
     SLAVES['ubuntu32_vm']['tst-linux32-spot-%03i' % i] = {}
 
 for i in range(1, 200) + range(301, 500) + range(601, 800) + range(901, 1100) + range(1201, 1452):  # Bug 1252248
     SLAVES['ubuntu64_vm_large']['tst-emulator64-spot-%03i' % i] = {}