diff --git a/tests/test_media_async.c b/tests/test_media_async.c
index 9251c9b4..057b0c87 100644
--- a/tests/test_media_async.c
+++ b/tests/test_media_async.c
@@ -5,6 +5,7 @@
 // Проверяется корректность каждого результата и отсутствие заклиниваний.
 
 #include "../src/media_async/media_async.h"
+#include "../lib/platform_compat.h"
 #include <pthread.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -143,7 +144,7 @@ int main(void) {
     int ret = 0;
 
     snprintf(g_test_dir, sizeof(g_test_dir), "/tmp/test_media_async_%d", (int)getpid());
-    if (mkdir(g_test_dir, 0755) != 0) {
+    if (utun_mkdir(g_test_dir, 0755) != 0) {
         perror("mkdir"); return 1;
     }
 
diff --git a/tests/test_media_index.c b/tests/test_media_index.c
index 2dd24214..34cf85dd 100644
--- a/tests/test_media_index.c
+++ b/tests/test_media_index.c
@@ -17,6 +17,7 @@
 #include "../lib/u_async.h"
 #include "../lib/mem.h"
 #include "../lib/debug_config.h"
+#include "../lib/platform_compat.h"
 
 #include <openssl/evp.h>
 #include <sqlite3.h>
@@ -418,14 +419,14 @@ static int test_register_async_flow(void) {
     TEST("register_async: copy file + verify DB");
     char tempd[256];
     snprintf(tempd, sizeof(tempd), "/tmp/test_media_idx_%d", (int)getpid());
-    mkdir(tempd, 0755);
+    utun_mkdir(tempd, 0755);
 
     char src[512]; snprintf(src, sizeof(src), "%s/src.bin", tempd);
     char dst[512]; snprintf(dst, sizeof(dst), "%s/media/ch_test/dst.bin", tempd);
     {
         char t1[512], t2[512];
-        snprintf(t1, sizeof(t1), "%s/media", tempd);         mkdir(t1, 0755);
-        snprintf(t2, sizeof(t2), "%s/media/ch_test", tempd); mkdir(t2, 0755);
+        snprintf(t1, sizeof(t1), "%s/media", tempd);         utun_mkdir(t1, 0755);
+        snprintf(t2, sizeof(t2), "%s/media/ch_test", tempd); utun_mkdir(t2, 0755);
     }
 
     create_file(src, 400);  // 400 bytes → 4 chunks of 100