diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 767c0bf..954aeac 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,7 +12,8 @@ jobs:
       - name: Setup SourcePawn compiler
         uses: rumblefrog/setup-sp@v1.3.1
         with:
-          version: "1.12.x"
+          # 1.13.0.7427 (production): 64-bit Address / LoadAddressFromAddress
+          version: "1.13.7427"
           github-token: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Install dependencies
diff --git a/addons/sourcemod/gamedata/ServerCommandFilter.games.txt b/addons/sourcemod/gamedata/ServerCommandFilter.games.txt
index 9478bc8..6ded37d 100644
--- a/addons/sourcemod/gamedata/ServerCommandFilter.games.txt
+++ b/addons/sourcemod/gamedata/ServerCommandFilter.games.txt
@@ -8,12 +8,14 @@
             {
                 "library"       "server"
                 "linux"         "@_ZL19SendToServerConsolePKc"
+                "linux64"         "@_ZL19SendToServerConsolePKc"
                 "windows"       "\x55\x8B\xEC\x8B\x4D\x08\x85\xC9\x74\x2A\x83\x3D\x2A\x2A\x2A\x2A\x02"
             }
             "SetValue"
             {
                 "library"       "server"
                 "linux"         "@_ZN21CScriptConvarAccessor8SetValueEPKc12CVariantBaseI24CVariantDefaultAllocatorE"
+                "linux64"         "@_ZN21CScriptConvarAccessor8SetValueEPKc12CVariantBaseI24CVariantDefaultAllocatorE"
             }
         }
         "Functions"
diff --git a/addons/sourcemod/scripting/ServerCommandFilter.sp b/addons/sourcemod/scripting/ServerCommandFilter.sp
index 9479da4..e781475 100644
--- a/addons/sourcemod/scripting/ServerCommandFilter.sp
+++ b/addons/sourcemod/scripting/ServerCommandFilter.sp
@@ -56,7 +56,7 @@ public Plugin myinfo =
 	name = "ServerCommandFilter",
 	author = "BotoX, .Rushaway, koen",
 	description = "Filters server commands using user-defined rules for maps (point_servercommand/VScript)",
-	version = "1.3.2",
+	version = "1.4.0",
 	url = "https://github.com/srcdslab/sm-plugin-ServerCommandFilter"
 };
 
@@ -766,6 +766,7 @@ public MRESReturn Detour_SetValue(DHookParam hParams)
 	if (pVariant == Address_Null)
 		return MRES_Ignored;
 
+	// ScriptVariant_t: 8-byte value union, then int16 m_type (same layout on x86 and x86_64)
 	int iType = LoadFromAddress(pVariant + view_as<Address>(8), NumberType_Int16);
 	int iRawValue = LoadFromAddress(pVariant, NumberType_Int32);
 
@@ -783,11 +784,12 @@ public MRESReturn Detour_SetValue(DHookParam hParams)
 		}
 		case FIELD_CSTRING:
 		{
-			if (iRawValue == 0)
+			// m_pszString is a full pointer: 8 bytes on x86_64
+			Address pString = LoadAddressFromAddress(pVariant);
+			if (pString == Address_Null)
 				return MRES_Ignored; // Null string
 
 			char szStringValue[256];
-			Address pString = view_as<Address>(iRawValue);
 
 			bool bSuccess = false;
 			for (int i = 0; i < sizeof(szStringValue) - 1; i++)