diff --git a/libxrdp/xrdp_caps.c b/libxrdp/xrdp_caps.c
index 9ecf2486..88371029 100644
--- a/libxrdp/xrdp_caps.c
+++ b/libxrdp/xrdp_caps.c
@@ -424,16 +424,23 @@ xrdp_caps_process_input(struct xrdp_rdp *self, struct stream *s,
     }
 
     // We always advertise Unicode support, so if the client supports it too,
-    // we can use it
-    if ((inputFlags & INPUT_FLAG_UNICODE) != 0)
+    // we can use it.
+    //
+    // If Unicode support is already active, the CAPSTYPE_INPUT
+    // PDU has been received as part of a Deactivation-Reactivation sequence.
+    // In this case, ignore the flag.
+    if (self->client_info.unicode_input_support != UIS_ACTIVE)
     {
-        self->client_info.unicode_input_support = UIS_SUPPORTED;
-        LOG(LOG_LEVEL_INFO, "Client supports Unicode input");
-    }
-    else
-    {
-        self->client_info.unicode_input_support = UIS_UNSUPPORTED;
-        LOG(LOG_LEVEL_INFO, "Client does not support Unicode input");
+        if ((inputFlags & INPUT_FLAG_UNICODE) != 0)
+        {
+            self->client_info.unicode_input_support = UIS_SUPPORTED;
+            LOG(LOG_LEVEL_INFO, "Client supports Unicode input");
+        }
+        else
+        {
+            self->client_info.unicode_input_support = UIS_UNSUPPORTED;
+            LOG(LOG_LEVEL_INFO, "Client does not support Unicode input");
+        }
     }
 
     return 0;