diff --git a/ci/Jenkinsfile.prs b/ci/Jenkinsfile.prs
index 41fa2dd13..9e69d6d30 100644
--- a/ci/Jenkinsfile.prs
+++ b/ci/Jenkinsfile.prs
@@ -7,7 +7,12 @@ pipeline {
     string(
       name: 'NIMFLAGS',
       description: 'Flags for Nim compilation.',
-      defaultValue: params.NIMFLAGS ?: '-d:disableMarchNative -d:insecure --parallelBuild:6'
+      defaultValue: params.NIMFLAGS ?: [
+        '--colors:off',
+        '-d:insecure',
+        '-d:disableMarchNative',
+        '--parallelBuild:6',
+      ].join(' ')
     )
     string(
       name: 'LOG_LEVEL',
diff --git a/ci/Jenkinsfile.release b/ci/Jenkinsfile.release
index d2dd256b1..6da215a23 100644
--- a/ci/Jenkinsfile.release
+++ b/ci/Jenkinsfile.release
@@ -33,7 +33,12 @@ pipeline {
     string(
       name: 'NIMFLAGS',
       description: 'Flags for Nim compilation.',
-      defaultValue: params.NIMFLAGS ?: '-d:disableMarchNative -d:chronicles_colors:none -d:insecure',
+      defaultValue: params.NIMFLAGS ?: [
+        '--colors:off',
+        '-d:disableMarchNative',
+        '-d:chronicles_colors:none',
+        '-d:insecure',
+      ].join(' ')
     )
   }
 
diff --git a/vendor/nim-libbacktrace/vendor/libbacktrace-upstream/libtool b/vendor/nim-libbacktrace/vendor/libbacktrace-upstream/libtool
index b7adc1f44..06ed68d41 100755
--- a/vendor/nim-libbacktrace/vendor/libbacktrace-upstream/libtool
+++ b/vendor/nim-libbacktrace/vendor/libbacktrace-upstream/libtool
@@ -2,7 +2,7 @@
 
 # libtool - Provide generalized library-building support services.
 # Generated automatically by config.status (libbacktrace) version-unused
-# Libtool was configured on host fv-az208-167:
+# Libtool was configured on host fv-az82-232:
 # NOTE: Changes made to this file will be lost: look at ltmain.sh.
 #
 #   Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005,