diff --git a/cjson/.gitignore b/cjson/.gitignore
new file mode 100644
index 0000000..904fe7c
--- /dev/null
+++ b/cjson/.gitignore
@@ -0,0 +1 @@
+cjson*
diff --git a/cjson/Makefile b/cjson/Makefile
index ff5f5ab..1b69237 100644
--- a/cjson/Makefile
+++ b/cjson/Makefile
@@ -1,12 +1,22 @@
-CC ?= gcc
-CFLAGS ?= -Wall -O2 -lcjson
+CC ?= cc
+CFLAGS ?= -Wall -O2 -I.
+LDFLAGS ?=
 
 TARGET = main.elf
-SRC = main.c
+SRC = main.c ./cjson/cJSON.c
 
 $(TARGET): $(SRC)
 	@echo CC $@
 	@$(CC) $(CFLAGS) -o $@ $^ $(LDFLAGS)
 
+CJSON_URL = https://github.com/DaveGamble/cJSON/archive/refs/heads/master.tar.gz
+CJSON_TAR = cjson.tar.gz
+CJSON_DIR = cJSON-master
+
+cjson:
+	curl -L $(CJSON_URL) -o $(CJSON_TAR)
+	tar -xzf $(CJSON_TAR)
+	mv ./cJSON-master ./cjson
+
 clean:
 	rm -f $(TARGET)
diff --git a/cjson/main.c b/cjson/main.c
index 30c5d87..e54004b 100644
--- a/cjson/main.c
+++ b/cjson/main.c
@@ -1,5 +1,6 @@
-#include <cjson/cJSON.h>
+#include "cjson/cJSON.h"
 #include <stdio.h>
+#include <stdlib.h>
 
 char *build_set_level_command(int level) {
     cJSON *root = cJSON_CreateObject();
@@ -9,10 +10,12 @@ char *build_set_level_command(int level) {
     // char *message = cJSON_PrintUnformatted(root);
     char *msg2 = cJSON_Print(root);
     cJSON_Delete(root);
-    return msg2; // Remember to free this when done!
+    return msg2;
 }
 
 int main(void) {
-    printf("%s\n", build_set_level_command(10));
+    char *msg = build_set_level_command(10);
+    printf("%s\n", msg);
+    free(msg);
     return 0;
 }