1 files changed, 1 insertions, 0 deletions

diff --git a/ext/Setup b/ext/Setup
index c92ac53e00..9e3a2474c3 100644
--- a/ext/Setup
+++ b/ext/Setup
@@ -10,3 +10,4 @@
 #socket
 #tkutil
 #tcltklib
+#gtk