diff --git a/core/logic/smn_filesystem.cpp b/core/logic/smn_filesystem.cpp
index 5f69f74e..63348c47 100644
--- a/core/logic/smn_filesystem.cpp
+++ b/core/logic/smn_filesystem.cpp
@@ -616,7 +616,12 @@ static cell_t sm_DirExists(IPluginContext *pContext, const cell_t *params)
 {
 	char *name;
 	pContext->LocalToString(params[1], &name);
-	
+
+	if (!name[0])
+	{
+		return pContext->ThrowNativeError("Invalid path. An empty path string is not valid, use "." to refer to the current working directory.");
+	}
+
 	if (params[0] >= 2 && params[2] == 1)
 	{
 		char *pathID;