diff --git a/core/libs/prx/libSceMove/Export.cpp b/core/libs/prx/libSceMove/Export.cpp
index 3df5bcf873..fbec093672 100644
--- a/core/libs/prx/libSceMove/Export.cpp
+++ b/core/libs/prx/libSceMove/Export.cpp
@@ -14,6 +14,7 @@ constexpr int MOVE_ERROR_NOT_INIT = static_cast<int>(0x80EE0001);
 constexpr int MOVE_ERROR_ALREADY_INIT = static_cast<int>(0x80EE0002);
 constexpr int MOVE_ERROR_INVALID_ARG = static_cast<int>(0x80EE0003);
 constexpr int MOVE_ERROR_INVALID_HANDLE = static_cast<int>(0x80EE0004);
+constexpr int MOVE_ERROR_ALREADY_OPENED = static_cast<int>(0x80EE0007);
 constexpr int32_t MOVE_FIRST_HANDLE = 0x30B0100;
 constexpr int32_t MOVE_HANDLE_STEP = 0x100;
 
@@ -57,7 +58,7 @@ int APS5_VABI sceMoveOpen(int32_t userId, int32_t type, int32_t index) {
     if (!initialized) return MOVE_ERROR_NOT_INIT;
     if (userId != USER_SERVICE_INITIAL_USER_ID) NotImplemented_nid_no_patch(__func__);
     for (const auto& [openHandle, slot] : openHandles) {
-        if (slot.type == type && slot.index == index) NotImplemented_nid_no_patch(__func__);
+        if (slot.type == type && slot.index == index) return MOVE_ERROR_ALREADY_OPENED;
     }
     const int32_t handle = nextHandle;
     nextHandle += MOVE_HANDLE_STEP;
diff --git a/core/libs/tests/GuestMove.cpp b/core/libs/tests/GuestMove.cpp
index dff61dbc68..b114030e35 100644
--- a/core/libs/tests/GuestMove.cpp
+++ b/core/libs/tests/GuestMove.cpp
@@ -28,6 +28,7 @@ constexpr int kNotInit = static_cast<int>(0x80EE0001);
 constexpr int kAlreadyInit = static_cast<int>(0x80EE0002);
 constexpr int kInvalidArg = static_cast<int>(0x80EE0003);
 constexpr int kInvalidHandle = static_cast<int>(0x80EE0004);
+constexpr int kAlreadyOpened = static_cast<int>(0x80EE0007);
 constexpr std::int32_t kUserId = 0x10000000;
 constexpr std::int32_t kFirstHandle = 0x30B0100;
 constexpr std::int32_t kHandleStep = 0x100;
@@ -104,7 +105,8 @@ int main() {
     const std::int32_t second = sceMoveOpen(kUserId, 0, 1);
     Require(first == kFirstHandle);
     Require(second == kFirstHandle + kHandleStep);
-    Require(Throws([] { sceMoveOpen(kUserId, 0, 0); }));
+    Require(sceMoveOpen(kUserId, 0, 0) == kAlreadyOpened);
+    Require(sceMoveOpen(kUserId, 0, 1) == kAlreadyOpened);
     Require(Throws([] { sceMoveOpen(kUserId + 1, 0, 2); }));
 
     Require(sceMoveGetDeviceInfo(first, nullptr) == kInvalidArg);