diff --git a/src/Options.cpp b/src/Options.cpp
index 40c65a63..4a541525 100644
--- a/src/Options.cpp
+++ b/src/Options.cpp
@@ -478,7 +478,7 @@ bool Options::parseArg(int key, uint64_t arg)
         break;
 
     case 1003: /* --donate-level */
-        if (arg < 1 || arg > 99) {
+        if (arg < 0 || arg > 99) {
             return true;
         }