diff --git a/sources/dir.c b/sources/dir.c
index e5c541a..b71bb86 100644
--- a/sources/dir.c
+++ b/sources/dir.c
@@ -42,6 +42,11 @@ __declspec(dllimport) unsigned long __stdcall GetLastError(void);
 
 #define INVALID_HANDLE_VALUE ((void *)(__int64)-1)
 
+int dir_exists(const char *dirname) {
+	// Windows-specific placeholder
+	return -1;
+}
+
 directory open_dir(const char *dirname) {
 	char pattern[1024];
 	strcpy(pattern, dirname);
@@ -84,6 +89,16 @@ void close_dir(directory *dir) {
 #include <sys/stat.h>
 #include <sys/types.h>
 
+int dir_exists(const char *dirname) {
+    struct stat dir_info;
+
+    if (stat(dirname, &dir_info) != 0){
+        return 0;
+	}
+
+    return S_ISDIR(dir_info.st_mode);
+}
+
 directory open_dir(const char *dirname) {
 	directory dir;
 	dir.handle = opendir(dirname);
diff --git a/sources/dir.h b/sources/dir.h
index 98f9d18..9d59819 100644
--- a/sources/dir.h
+++ b/sources/dir.h
@@ -19,6 +19,7 @@ typedef struct file {
 directory open_dir(const char *dirname);
 file      read_next_file(directory *dir);
 void      close_dir(directory *dir);
+int 	  dir_exists(const char* dirname);
 
 #ifdef __cplusplus
 }
diff --git a/sources/kong.c b/sources/kong.c
index e9f3bbe..b16dafe 100644
--- a/sources/kong.c
+++ b/sources/kong.c
@@ -267,6 +267,7 @@ int main(int argc, char **argv) {
 	check(mode == MODE_MODECHECK, context, "Wrong parameter syntax");
 	check(inputs_size > 0, context, "no input parameters found");
 	check(output != NULL, context, "output parameter not found");
+	check(dir_exists(output) == 1, context, "output directory doesn't exist or isn't a directory");
 	check(api != API_DEFAULT, context, "api parameter not found");
 
 	names_init();