diff --git a/AUTHORS b/AUTHORS
index 404cf7038..666edc16b 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -22,7 +22,7 @@ dir: Richard M. Stallman, David MacKenzie
 dircolors: H. Peter Anvin
 dirname: David MacKenzie, Jim Meyering
 du: Torbjörn Granlund, David MacKenzie, Paul Eggert, Jim Meyering
-echo: FIXME unknown
+echo: Brian Fox, Chet Ramey
 env: Richard Mlynarik, David MacKenzie
 expand: David MacKenzie
 expr: Mike Parker
diff --git a/src/echo.c b/src/echo.c
index ebbf5b82e..11e648ed4 100644
--- a/src/echo.c
+++ b/src/echo.c
@@ -24,7 +24,9 @@
 /* The official name of this program (e.g., no `g' prefix).  */
 #define PROGRAM_NAME "echo"
 
-#define AUTHORS proper_name ("FIXME unknown")
+#define AUTHORS \
+  proper_name ("Brian Fox"), \
+  proper_name ("Chet Ramey")
 
 /* echo [-neE] [arg ...]
 Output the ARGs.  If -n is specified, the trailing newline is