diff --git a/oxinst.c b/oxinst.c
index 78c3a09..375bd23 100644
--- a/oxinst.c
+++ b/oxinst.c
@@ -110,7 +110,9 @@ int OxiHandler(void *object)
           }
         }
         if (eab->cmd[0] != eab->ans[0] && eab->cmd[0] != '{') {
-          iret = EASE_ILL_ANS;
+          if (strcmp(eab->cmd, "H1\r") != 0 || strcmp(eab->ans, "?H1") != 0) {
+            iret = EASE_ILL_ANS;
+          }
         }
       }
     }