diff --git a/Source/Core/Core/IOS/ES/ES.cpp b/Source/Core/Core/IOS/ES/ES.cpp
index eaad202a9c..068a441e58 100644
--- a/Source/Core/Core/IOS/ES/ES.cpp
+++ b/Source/Core/Core/IOS/ES/ES.cpp
@@ -409,12 +409,29 @@ IPCCommandResult ES::IOCtlV(const IOCtlVRequest& request)
     return Sign(request);
   case IOCTL_ES_GETBOOT2VERSION:
     return GetBoot2Version(request);
-  default:
-    request.DumpUnknown(GetDeviceName(), LogTypes::IOS_ES);
-    break;
-  }
 
-  return GetDefaultReply(IPC_SUCCESS);
+  case IOCTL_ES_VERIFYSIGN:
+  case IOCTL_ES_DELETESHAREDCONTENT:
+  case IOCTL_ES_UNKNOWN_39:
+  case IOCTL_ES_UNKNOWN_3A:
+  case IOCTL_ES_UNKNOWN_3B:
+  case IOCTL_ES_UNKNOWN_3C:
+  case IOCTL_ES_UNKNOWN_3D:
+  case IOCTL_ES_UNKNOWN_3E:
+  case IOCTL_ES_UNKNOWN_3F:
+  case IOCTL_ES_UNKNOWN_40:
+  case IOCTL_ES_UNKNOWN_41:
+  case IOCTL_ES_UNKNOWN_42:
+  case IOCTL_ES_UNKNOWN_43:
+  case IOCTL_ES_UNKNOWN_44:
+    PanicAlert("IOS-ES: Unimplemented ioctlv 0x%x (%zu in vectors, %zu io vectors)",
+               request.request, request.in_vectors.size(), request.io_vectors.size());
+    request.DumpUnknown(GetDeviceName(), LogTypes::IOS_ES, LogTypes::LERROR);
+    return GetDefaultReply(IPC_EINVAL);
+
+  default:
+    return GetDefaultReply(IPC_EINVAL);
+  }
 }
 
 IPCCommandResult ES::GetConsumption(const IOCtlVRequest& request)
diff --git a/Source/Core/Core/IOS/ES/ES.h b/Source/Core/Core/IOS/ES/ES.h
index 7b424ec654..e8a9e69fba 100644
--- a/Source/Core/Core/IOS/ES/ES.h
+++ b/Source/Core/Core/IOS/ES/ES.h
@@ -112,7 +112,7 @@ private:
     IOCTL_ES_GETBOOT2VERSION = 0x2E,
     IOCTL_ES_ADDTITLECANCEL = 0x2F,
     IOCTL_ES_SIGN = 0x30,
-    // IOCTL_ES_VERIFYSIGN         = 0x31,
+    IOCTL_ES_VERIFYSIGN = 0x31,
     IOCTL_ES_GETSTOREDCONTENTCNT = 0x32,
     IOCTL_ES_GETSTOREDCONTENTS = 0x33,
     IOCTL_ES_GETSTOREDTMDSIZE = 0x34,
@@ -120,7 +120,18 @@ private:
     IOCTL_ES_GETSHAREDCONTENTCNT = 0x36,
     IOCTL_ES_GETSHAREDCONTENTS = 0x37,
     IOCTL_ES_DELETESHAREDCONTENT = 0x38,
-    //
+    IOCTL_ES_UNKNOWN_39 = 0x39,
+    IOCTL_ES_UNKNOWN_3A = 0x3A,
+    IOCTL_ES_UNKNOWN_3B = 0x3B,
+    IOCTL_ES_UNKNOWN_3C = 0x3C,
+    IOCTL_ES_UNKNOWN_3D = 0x3D,
+    IOCTL_ES_UNKNOWN_3E = 0x3E,
+    IOCTL_ES_UNKNOWN_3F = 0x3F,
+    IOCTL_ES_UNKNOWN_40 = 0x40,
+    IOCTL_ES_UNKNOWN_41 = 0x41,
+    IOCTL_ES_UNKNOWN_42 = 0x42,
+    IOCTL_ES_UNKNOWN_43 = 0x43,
+    IOCTL_ES_UNKNOWN_44 = 0x44,
     IOCTL_ES_CHECKKOREAREGION = 0x45,
   };