diff --git a/LICENSE b/LICENSE
index 24b34c0..19ca8b1 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2017, Přemysl Janouch <p@janouch.name>
+Copyright (c) 2017, Přemysl Eric Janouch <p@janouch.name>
 
 Permission to use, copy, modify, and/or distribute this software for any
 purpose with or without fee is hereby granted.
diff --git a/cmd/interpreter/main.go b/cmd/interpreter/main.go
index e0001a2..468092f 100644
--- a/cmd/interpreter/main.go
+++ b/cmd/interpreter/main.go
@@ -1,5 +1,5 @@
 //
-// Copyright (c) 2018, Přemysl Janouch <p@janouch.name>
+// Copyright (c) 2018, Přemysl Eric Janouch <p@janouch.name>
 //
 // Permission to use, copy, modify, and/or distribute this software for any
 // purpose with or without fee is hereby granted.
diff --git a/cmd/repl/main.go b/cmd/repl/main.go
index 3511931..7b188a3 100644
--- a/cmd/repl/main.go
+++ b/cmd/repl/main.go
@@ -1,5 +1,5 @@
 //
-// Copyright (c) 2018, Přemysl Janouch <p@janouch.name>
+// Copyright (c) 2018, Přemysl Eric Janouch <p@janouch.name>
 //
 // Permission to use, copy, modify, and/or distribute this software for any
 // purpose with or without fee is hereby granted.
diff --git a/ell.c b/ell.c
index 941a842..05f7948 100644
--- a/ell.c
+++ b/ell.c
@@ -1,7 +1,7 @@
 /*
  * ell.c: an experimental little language
  *
- * Copyright (c) 2017, Přemysl Janouch <p@janouch.name>
+ * Copyright (c) 2017, Přemysl Eric Janouch <p@janouch.name>
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted.
diff --git a/ell/ell.go b/ell/ell.go
index 7995a86..8c18c4d 100644
--- a/ell/ell.go
+++ b/ell/ell.go
@@ -1,5 +1,5 @@
 //
-// Copyright (c) 2018, Přemysl Janouch <p@janouch.name>
+// Copyright (c) 2018, Přemysl Eric Janouch <p@janouch.name>
 //
 // Permission to use, copy, modify, and/or distribute this software for any
 // purpose with or without fee is hereby granted.
diff --git a/ell/stdlib.go b/ell/stdlib.go
index f91e721..4a8889f 100644
--- a/ell/stdlib.go
+++ b/ell/stdlib.go
@@ -1,5 +1,5 @@
 //
-// Copyright (c) 2018, Přemysl Janouch <p@janouch.name>
+// Copyright (c) 2018, Přemysl Eric Janouch <p@janouch.name>
 //
 // Permission to use, copy, modify, and/or distribute this software for any
 // purpose with or without fee is hereby granted.
diff --git a/interpreter.c b/interpreter.c
index 3b9bf04..ec048d1 100644
--- a/interpreter.c
+++ b/interpreter.c
@@ -1,7 +1,7 @@
 /*
  * interpreter.c: test interpreter
  *
- * Copyright (c) 2017, Přemysl Janouch <p@janouch.name>
+ * Copyright (c) 2017, Přemysl Eric Janouch <p@janouch.name>
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted.
diff --git a/repl.c b/repl.c
index b1ff7d0..94e1fae 100644
--- a/repl.c
+++ b/repl.c
@@ -1,7 +1,7 @@
 /*
  * repl.c: test REPL
  *
- * Copyright (c) 2017, Přemysl Janouch <p@janouch.name>
+ * Copyright (c) 2017, Přemysl Eric Janouch <p@janouch.name>
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted.