diff --git a/lib/std/jsbigints.nim b/lib/std/jsbigints.nim
index ba080f9746..21bb9e1a05 100644
--- a/lib/std/jsbigints.nim
+++ b/lib/std/jsbigints.nim
@@ -8,12 +8,14 @@ type JsBigInt* = distinct JsBigIntImpl        ## Arbitrary precision integer for
 
 func big*(integer: SomeInteger): JsBigInt {.importjs: "BigInt(#)".} =
   ## Constructor for `JsBigInt`.
+  when nimvm: doAssert false, "JsBigInt can not be used at compile-time nor static context" else: discard
   runnableExamples:
     doAssert big(1234567890) == big"1234567890"
     doAssert 0b1111100111.big == 0o1747.big and 0o1747.big == 999.big
 
 func big*(integer: cstring): JsBigInt {.importjs: "BigInt(#)".} =
   ## Constructor for `JsBigInt`.
+  when nimvm: doAssert false, "JsBigInt can not be used at compile-time nor static context" else: discard
   runnableExamples:
     doAssert big"-1" == big"1" - big"2"
     # supports decimal, binary, octal, hex: