diff --git a/build.nims b/build.nims
index 1d0f6c82..52d7878a 100644
--- a/build.nims
+++ b/build.nims
@@ -36,7 +36,7 @@ proc buildLibrary(name: string, srcDir = "./", params = "", `type` = "dynamic")
        "-d:LeopardCmakeFlags=\"-DCMAKE_POSITION_INDEPENDENT_CODE=ON\" " &
        "-d:chronicles_runtime_filtering " &
        "-d:chronicles_log_level=TRACE " &
-       "-d:libp2p_pki_schemes=secp256k1 "
+       "-d:libp2p_pki_schemes=secp256k1 " &
       params & " " & srcDir & name & ".nim"
   else:
     exec "nim c" & " --out:build/" & name &