diff --git a/config.nims b/config.nims
index a00ce831..222b4d72 100644
--- a/config.nims
+++ b/config.nims
@@ -74,6 +74,8 @@ else:
 --styleCheck:usages
 --styleCheck:error
 --maxLoopIterationsVM:1000000000
+--fieldChecks:on
+--warningAsError:"ProveField:on"
 
 when (NimMajor, NimMinor) >= (1, 4):
   --warning:"ObservableStores:off"