diff --git a/.gitignore b/.gitignore
new file mode 100644
index 00000000..130e618d
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,12 @@
+*.o
+*~
+
+# Autogenerated by flex/bison
+lexer.yy.*
+parser.tab.*
+parser.info
+
+# Test binaries
+jv_test
+jv_parse
+parsertest
\ No newline at end of file
diff --git a/c/Makefile b/c/Makefile
index 2e598204..d437b143 100644
--- a/c/Makefile
+++ b/c/Makefile
@@ -20,13 +20,13 @@ parser.tab.h: parser.tab.c
 parsertest: parser.tab.c lexer.yy.c main.c opcode.c bytecode.c compile.c execute.c builtin.c jv.c jv_parse.c jv_print.c jv_dtoa.c
 	$(CC) -o $@ $^
 
-jvtest: jvtest.c jv.c jv_print.c
+jv_test: jv_test.c jv.c jv_print.c jv_dtoa.c
 	$(CC) -DNO_JANSSON -o $@ $^
 
 jv_parse: jv_parse.c jv.c jv_print.c jv_dtoa.c
 	$(CC) -DNO_JANSSON -o $@ $^ -DJV_PARSE_MAIN
 
 
-test: jvtest
-	valgrind --error-exitcode=1 -q --leak-check=full ./jvtest
+test: jv_test
+	valgrind --error-exitcode=1 -q --leak-check=full ./jv_test
 
diff --git a/c/jvtest.c b/c/jv_test.c
similarity index 100%
rename from c/jvtest.c
rename to c/jv_test.c