1 files changed, 4 insertions, 1 deletions
diff --git a/utils/lib.sh b/utils/lib.sh
index 818477fc3..78641cc0b 100755
--- a/utils/lib.sh
+++ b/utils/lib.sh
@@ -97,7 +97,10 @@ set_terminal_colors() {
     _BPurple='\e[1;35m'
     _BCyan='\e[1;36m'
 }
-set_terminal_colors
+
+if [ ! -p /dev/stdout ]; then
+    set_terminal_colors
+fi
 
 # reST
 # ----