diff --git a/pcsx2/CMakeLists.txt b/pcsx2/CMakeLists.txt
index 4ecc6b50b9..e88eab4d68 100644
--- a/pcsx2/CMakeLists.txt
+++ b/pcsx2/CMakeLists.txt
@@ -325,7 +325,7 @@ set(pcsx2DEV9Headers
 	DEV9/ATA/ATA.h
 	DEV9/ATA/HddCreate.h
 	DEV9/DEV9.h
-	DEV9/InternalServers/DHCP_Server.cpp
+	DEV9/InternalServers/DHCP_Server.h
 	DEV9/InternalServers/DNS_Logger.h
 	DEV9/InternalServers/DNS_Server.h
 	DEV9/net.h