diff --git a/src/util/ScreenshotUtil.cpp b/src/util/ScreenshotUtil.cpp
index 0f14f506..67d16f00 100644
--- a/src/util/ScreenshotUtil.cpp
+++ b/src/util/ScreenshotUtil.cpp
@@ -47,7 +47,7 @@ bool ScreenshotUtil::saveFramebufferAsBmp(const char* filename, const uint8_t* f
   size_t last_slash = path.find_last_of('/');
   if (last_slash != std::string::npos) {
     std::string dir = path.substr(0, last_slash);
-    if (!Storage.exists(dir.c_str())) {
+    if (!dir.empty() && !Storage.exists(dir.c_str())) {
       if (!Storage.mkdir(dir.c_str())) {
         return false;
       }