diff --git a/src/uucore/Cargo.toml b/src/uucore/Cargo.toml
index 8d463ee3d..ff4ef1c22 100644
--- a/src/uucore/Cargo.toml
+++ b/src/uucore/Cargo.toml
@@ -88,7 +88,7 @@ mode = ["libc"]
 perms = ["libc", "walkdir"]
 pipes = []
 process = ["libc"]
-proc-info = ["walkdir"]
+proc-info = ["tty", "walkdir"]
 quoting-style = []
 ranges = []
 ringbuffer = []