diff --git a/Source/Core/Core/GeckoCode.cpp b/Source/Core/Core/GeckoCode.cpp
index 45b176cbd2..be5ce914db 100644
--- a/Source/Core/Core/GeckoCode.cpp
+++ b/Source/Core/Core/GeckoCode.cpp
@@ -66,7 +66,7 @@ static std::vector<GeckoCode> s_active_codes;
 static std::vector<GeckoCode> s_synced_codes;
 static std::mutex s_active_codes_lock;
 
-void SetActiveCodes(const std::vector<GeckoCode>& gcodes)
+void SetActiveCodes(std::span<const GeckoCode> gcodes)
 {
   std::lock_guard lk(s_active_codes_lock);
 
@@ -89,7 +89,7 @@ void SetSyncedCodesAsActive()
   s_active_codes = s_synced_codes;
 }
 
-void UpdateSyncedCodes(const std::vector<GeckoCode>& gcodes)
+void UpdateSyncedCodes(std::span<const GeckoCode> gcodes)
 {
   s_synced_codes.clear();
   s_synced_codes.reserve(gcodes.size());
@@ -98,7 +98,7 @@ void UpdateSyncedCodes(const std::vector<GeckoCode>& gcodes)
   s_synced_codes.shrink_to_fit();
 }
 
-std::vector<GeckoCode> SetAndReturnActiveCodes(const std::vector<GeckoCode>& gcodes)
+std::vector<GeckoCode> SetAndReturnActiveCodes(std::span<const GeckoCode> gcodes)
 {
   std::lock_guard lk(s_active_codes_lock);
 
diff --git a/Source/Core/Core/GeckoCode.h b/Source/Core/Core/GeckoCode.h
index 6f2f8dff4a..fffb83303c 100644
--- a/Source/Core/Core/GeckoCode.h
+++ b/Source/Core/Core/GeckoCode.h
@@ -3,6 +3,7 @@
 
 #pragma once
 
+#include <span>
 #include <string>
 #include <vector>
 
@@ -58,10 +59,10 @@ constexpr u32 HLE_TRAMPOLINE_ADDRESS = INSTALLER_END_ADDRESS - 4;
 // preserve the emulation performance.
 constexpr u32 MAGIC_GAMEID = 0xD01F1BAD;
 
-void SetActiveCodes(const std::vector<GeckoCode>& gcodes);
+void SetActiveCodes(std::span<const GeckoCode> gcodes);
 void SetSyncedCodesAsActive();
-void UpdateSyncedCodes(const std::vector<GeckoCode>& gcodes);
-std::vector<GeckoCode> SetAndReturnActiveCodes(const std::vector<GeckoCode>& gcodes);
+void UpdateSyncedCodes(std::span<const GeckoCode> gcodes);
+std::vector<GeckoCode> SetAndReturnActiveCodes(std::span<const GeckoCode> gcodes);
 void RunCodeHandler();
 void Shutdown();
 void DoState(PointerWrap&);