diff --git a/compiler/condsyms.nim b/compiler/condsyms.nim
index fcd4cf218e..28c3d2f309 100644
--- a/compiler/condsyms.nim
+++ b/compiler/condsyms.nim
@@ -175,3 +175,5 @@ proc initDefines*(symbols: StringTableRef) =
   defineSymbol("nimHasSetLengthSeqUninitMagic")
   defineSymbol("nimHasPreviewDuplicateModuleError")
 
+  defineSymbol("nimHasImplicitRangeConversion")
+