diff --git a/agent/mibgroup/winExtDLL.c b/agent/mibgroup/winExtDLL.c
index f44f84f..e421412 100644
--- a/agent/mibgroup/winExtDLL.c
+++ b/agent/mibgroup/winExtDLL.c
@@ -598,7 +598,7 @@
 
     return path_len >= basename_len + 1
         && path[path_len - basename_len - 1] == '\\'
-        && stricmp(path + path_len - basename_len, basename) == 0;
+        && strcasecmp(path + path_len - basename_len, basename) == 0;
 }
 
 /**