diff --git a/pcsx2/PAD/Linux/state_management.h b/pcsx2/PAD/Linux/state_management.h
index 50dd28f712..b3d959362d 100644
--- a/pcsx2/PAD/Linux/state_management.h
+++ b/pcsx2/PAD/Linux/state_management.h
@@ -120,6 +120,9 @@ struct PadFullFreezeData
 	u8 slot[2];
 	PadFreezeData padData[2][4];
 	QueryInfo query;
+	// unused padding data, present only so that data size
+	// matches Windows version for cross-platform save/load
+	char padding[8];
 };
 
 extern QueryInfo query;