diff --git a/Makefile b/Makefile
index f006242..0389f93 100644
--- a/Makefile
+++ b/Makefile
@@ -1,11 +1,11 @@
 SRCS := $(wildcard js*.c utf*.c regex.c)
-HDRS := $(wildcard js*.h utf.h regex.h)
+HDRS := $(wildcard js*.h mujs.h utf.h regex.h)
 OBJS := $(SRCS:%.c=build/%.o)
 
 CC := clang
 CFLAGS := -std=c99 -pedantic -Wall -Wextra -Wunreachable-code -Wno-unused-parameter -g
 
-default: build build/js build/jsone build/re
+default: build build/mujs build/mujsone
 
 astnames.h: jsparse.h
 	grep '\(AST\|EXP\|STM\)_' jsparse.h | sed 's/^[ \t]*\(AST_\)\?/"/;s/,.*/",/' | tr A-Z a-z > $@
@@ -24,13 +24,13 @@ build:
 build/%.o: %.c $(HDRS)
 	$(CC) $(CFLAGS) -o $@ -c $<
 
-build/libjs.a: $(OBJS)
+build/libmujs.a: $(OBJS)
 	ar cru $@ $^
 
-build/js: build/main.o build/libjs.a
+build/mujs: build/main.o build/libmujs.a
 	$(CC) -o $@ $^ -lm
 
-build/jsone: build/main.o build/one.o
+build/mujsone: build/main.o build/one.o
 	$(CC) -o $@ $^ -lm
 
 build/re: regex.c utf.c utftype.c
diff --git a/README b/README
index 540f586..7a78aa5 100644
--- a/README
+++ b/README
@@ -1 +1 @@
-libjs: An embeddable Javascript interpreter in C.
+MuJS: An embeddable Javascript interpreter in C.
diff --git a/jsi.h b/jsi.h
index 24fedbf..e37fb35 100644
--- a/jsi.h
+++ b/jsi.h
@@ -1,7 +1,7 @@
 #ifndef jsi_h
 #define jsi_h
 
-#include "js.h"
+#include "mujs.h"
 
 #include <stdio.h>
 #include <stdlib.h>
diff --git a/main.c b/main.c
index 36b0dac..84bc6b6 100644
--- a/main.c
+++ b/main.c
@@ -1,6 +1,6 @@
 #include <stdio.h>
 
-#include "js.h"
+#include "mujs.h"
 
 #define PS1 "> "
 
diff --git a/js.h b/mujs.h
similarity index 99%
rename from js.h
rename to mujs.h
index 9bf9d6f..6e63dbc 100644
--- a/js.h
+++ b/mujs.h
@@ -1,5 +1,5 @@
-#ifndef js_h
-#define js_h
+#ifndef mujs_h
+#define mujs_h
 
 /* noreturn is a GCC extension */
 #ifdef __GNUC__