diff --git a/source/utils.cpp b/source/utils.cpp
index 34b2fb1..c848d3e 100644
--- a/source/utils.cpp
+++ b/source/utils.cpp
@@ -88,6 +88,7 @@ MochaUtilsStatus Mocha_DeInitLibrary() {
 
     if (iosuhaxHandle >= 0) {
         IOS_Close(iosuhaxHandle);
+        iosuhaxHandle = -1;
     }
 
     return MOCHA_RESULT_SUCCESS;