diff --git a/src/common/io/io_unix.c b/src/common/io/io_unix.c
index 4cb946d0e8..d66354481b 100644
--- a/src/common/io/io_unix.c
+++ b/src/common/io/io_unix.c
@@ -23,13 +23,14 @@
 
 static void createSubfolders(const char* fileName)
 {
-    FF_STRBUF_AUTO_DESTROY path = ffStrbufCreate();
-
+    char path[PATH_MAX];
     char *token = NULL;
+    char *pathTail = path;
     while((token = strchr(fileName, '/')) != NULL)
     {
-        ffStrbufAppendNS(&path, (uint32_t)(token - fileName + 1), fileName);
-        mkdir(path.chars, S_IRWXU | S_IRGRP | S_IROTH);
+        uint32_t length = (uint32_t)(token - fileName + 1);
+        pathTail = ffStrCopyN(pathTail, fileName, length);
+        mkdir(path, S_IRWXU | S_IRGRP | S_IROTH);
         fileName = token + 1;
     }
 }
diff --git a/src/common/io/io_windows.c b/src/common/io/io_windows.c
index 9f1a96ce53..90f12b76a6 100644
--- a/src/common/io/io_windows.c
+++ b/src/common/io/io_windows.c
@@ -8,12 +8,14 @@
 
 static void createSubfolders(const char* fileName)
 {
-    FF_STRBUF_AUTO_DESTROY path = ffStrbufCreate();
+    char path[MAX_PATH];
     char *token = NULL;
+    char *pathTail = path;
     while((token = strchr(fileName, '/')) != NULL)
     {
-        ffStrbufAppendNS(&path, (uint32_t)(token - fileName + 1), fileName);
-        CreateDirectoryA(path.chars, NULL);
+        uint32_t length = (uint32_t)(token - fileName + 1);
+        pathTail = ffStrCopyN(pathTail, fileName, length);
+        CreateDirectoryA(path, NULL);
         fileName = token + 1;
     }
 }