diff --git a/libetc/patch_add_missing_header.patch b/libetc/patch_add_missing_header.patch
new file mode 100644
index 0000000..f6e33ec
--- /dev/null
+++ b/libetc/patch_add_missing_header.patch
@@ -0,0 +1,10 @@
+--- a/libetc.c
++++ b/libetc.c
+@@ -22,6 +22,7 @@
+ #define _GNU_SOURCE
+ #include <dlfcn.h>
+ #include <stdio.h>
++#include <stdlib.h>
+ #include <sys/types.h>
+ #include <string.h>
+ #include <dirent.h>