diff --git a/myps/test-scripts/factory/gas.myps b/myps/test-scripts/factory/gas.myps
index face91e..4144cf1 100644
--- a/myps/test-scripts/factory/gas.myps
+++ b/myps/test-scripts/factory/gas.myps
@@ -38,6 +38,7 @@ loop:
         # (d) calculate moles to remove and add from C and H (nR/nC/nH)
         db.Setting = 5
         yield()
+        fix nCI, nHI # TODO: Scopes need to be restricted better...
         tag partD:
             nT = pT*vF/(R*tT)
             tTnT = tT*nT
@@ -117,4 +118,4 @@ loop:
         AdvFurnace.all.SettingInput = 0
 
         # (g) enjoy
-        db.Setting = 0
\ No newline at end of file
+        db.Setting = 0