diff --git a/source/devoptab/devoptab_fsa_utils.cpp b/source/devoptab/devoptab_fsa_utils.cpp
index 4afe577..5f97ffa 100644
--- a/source/devoptab/devoptab_fsa_utils.cpp
+++ b/source/devoptab/devoptab_fsa_utils.cpp
@@ -16,11 +16,17 @@ __fsa_fixpath(struct _reent *r,
         p = (char *) path;
     }
 
-    if (strlen(p) > FS_MAX_PATH) {
+    uint32_t sizePath = strlen(p);
+    if (sizePath > FS_MAX_PATH) {
         r->_errno = ENAMETOOLONG;
         return nullptr;
     }
 
+    if (sizePath == 0) {
+        r->_errno = ENOENT;
+        return nullptr;
+    }
+
     fixedPath = (char *) memalign(0x40, FS_MAX_PATH + 1);
     if (!fixedPath) {
         r->_errno = ENOMEM;