diff --git a/libc/Makefile b/libc/Makefile
index 9c4d5e16..48f33d16 100644
--- a/libc/Makefile
+++ b/libc/Makefile
@@ -242,7 +242,7 @@ getpid.o \
 getppid.o \
 gettermmode.o \
 getuid.o \
-grent.o \
+grp/grent.o \
 init.o \
 ioctl.o \
 ioleast.o \
diff --git a/libc/grent.cpp b/libc/grp/grent.cpp
similarity index 99%
rename from libc/grent.cpp
rename to libc/grp/grent.cpp
index 05c558cb..c1d13931 100644
--- a/libc/grent.cpp
+++ b/libc/grp/grent.cpp
@@ -17,7 +17,7 @@
     You should have received a copy of the GNU Lesser General Public License
     along with the Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
 
-    grent.cpp
+    grp/grent.cpp
     Group database.
 
 *******************************************************************************/