diff --git a/zone/CMakeLists.txt b/zone/CMakeLists.txt
index ecc9d35a8..abf9d6789 100644
--- a/zone/CMakeLists.txt
+++ b/zone/CMakeLists.txt
@@ -486,8 +486,10 @@ IF (WIN32 AND EQEMU_BUILD_PCH)
 ENDIF()
 
 # precompiled headers
-TARGET_PRECOMPILE_HEADERS(zone PRIVATE ../common/pch/app-pch.h)
-TARGET_PRECOMPILE_HEADERS(zone PRIVATE merc.h mob.h npc.h corpse.h doors.h bot.h entity.h client.h zone.h)
+IF (UNIX AND EQEMU_BUILD_PCH)
+    TARGET_PRECOMPILE_HEADERS(zone PRIVATE ../common/pch/app-pch.h)
+    TARGET_PRECOMPILE_HEADERS(zone PRIVATE merc.h mob.h npc.h corpse.h doors.h bot.h entity.h client.h zone.h)
+ENDIF()
 
 ADD_DEFINITIONS(-DZONE)