diff --git a/Geo/GModelIO_MSH2.cpp b/Geo/GModelIO_MSH2.cpp
index 123c6d8d5f671544299c7636899098d6fca18880..2a6521750978b5e9ac697f75899d3f5022f52525 100644
--- a/Geo/GModelIO_MSH2.cpp
+++ b/Geo/GModelIO_MSH2.cpp
@@ -707,7 +707,7 @@ int GModel::_readMSH2(const std::string &name)
     if(feof(fp))
       break;
 
-    if(!strncmp(&str[1], "Periodic",8) && strlen(&str[1]) == 8) {
+    if(!strncmp(&str[1], "Periodic",8) && strncmp(&str[1],"PeriodicNodes",13)) {
       readMSHPeriodicNodes(fp,this);
       break;
     }