diff --git a/src/uu/groups/Cargo.toml b/src/uu/groups/Cargo.toml
index 1a56bc2ab..4a5a537e5 100644
--- a/src/uu/groups/Cargo.toml
+++ b/src/uu/groups/Cargo.toml
@@ -15,7 +15,7 @@ edition = "2018"
 path = "src/groups.rs"
 
 [dependencies]
-uucore = { version=">=0.0.8", package="uucore", path="../../uucore", features=["entries"] }
+uucore = { version=">=0.0.8", package="uucore", path="../../uucore", features=["entries", "process"] }
 uucore_procs = { version=">=0.0.5", package="uucore_procs", path="../../uucore_procs" }
 clap = "2.33"
 
diff --git a/src/uucore/src/lib/features/entries.rs b/src/uucore/src/lib/features/entries.rs
index b94abbe4f..988d88fd3 100644
--- a/src/uucore/src/lib/features/entries.rs
+++ b/src/uucore/src/lib/features/entries.rs
@@ -94,6 +94,7 @@ pub fn get_groups() -> IOResult<Vec<gid_t>> {
 /// groups is the same (in the mathematical sense of ``set''). (The
 /// history of a process and its parents could affect the details of
 /// the result.)
+#[cfg(all(unix, feature = "process"))]
 pub fn get_groups_gnu(arg_id: Option<u32>) -> IOResult<Vec<gid_t>> {
     let mut groups = get_groups()?;
     let egid = arg_id.unwrap_or_else(crate::features::process::getegid);