diff --git a/core/logic/PluginSys.cpp b/core/logic/PluginSys.cpp
index 33f1c3af3..74d4161dc 100644
--- a/core/logic/PluginSys.cpp
+++ b/core/logic/PluginSys.cpp
@@ -330,6 +330,13 @@ bool CPlugin::ReadInfo()
 	else
 		m_MaxClientsVar = nullptr;
 
+	if (base->FindPubvarByName("PointerSize", &idx) == SP_ERROR_NONE) {
+		sp_pubvar_t* var = nullptr;
+		if (base->GetPubvarByIndex(idx, &var) == SP_ERROR_NONE && var) {
+			*var->offs = sizeof(void*);
+		}
+	}
+
 	return true;
 }
 
diff --git a/plugins/include/virtual_address.inc b/plugins/include/virtual_address.inc
index 901959331..04006181f 100644
--- a/plugins/include/virtual_address.inc
+++ b/plugins/include/virtual_address.inc
@@ -36,3 +36,4 @@
 #define _virtual_address_included
 
 public const Address __Virtual_Address__ = 0;
+public const Address PointerSize = 0; /**< Size of a pointer in bytes (same as `sizeof(void*)`) */