diff --git a/compiler/nimpaths.nim b/compiler/nimpaths.nim
index 9caaf4f058..7b2216080b 100644
--- a/compiler/nimpaths.nim
+++ b/compiler/nimpaths.nim
@@ -36,11 +36,11 @@ proc interp*(path: string, nimr: string): string =
   doAssert '$' notin result, $(path, nimr, result) # avoids un-interpolated variables in output
 
 proc getDocHacksJs*(nimr: string, nim = getCurrentCompilerExe(), forceRebuild = false): string =
-  ## return absolute path to dochhack.js, rebuilding if it doesn't exist or if
+  ## return absolute path to dochack.js, rebuilding if it doesn't exist or if
   ## `forceRebuild`.
   let docHackJs2 = docHackJs.interp(nimr = nimr)
   if forceRebuild or not docHackJs2.fileExists:
-    let cmd =  "$nim js $file" % ["nim", nim.quoteShell, "file", docHackNim.interp(nimr = nimr).quoteShell]
+    let cmd =  "$nim js -d:release $file" % ["nim", nim.quoteShell, "file", docHackNim.interp(nimr = nimr).quoteShell]
     echo "getDocHacksJs: cmd: " & cmd
     doAssert execShellCmd(cmd) == 0, $(cmd)
   doAssert docHackJs2.fileExists