diff --git a/CMakeLists.txt b/CMakeLists.txt
index 35fe3bf..e270961 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -40,9 +40,6 @@ if(NOT PS1_BUILD)
     find_package(ENET 1.3 REQUIRED)
 endif()
 
-set(cdroot ${CMAKE_BINARY_DIR}/cdimg)
-file(MAKE_DIRECTORY ${cdroot})
-
 if(PS1_BUILD)
     include("cmake/ps1.cmake")
 elseif(WIN9X_BUILD)
diff --git a/cmake/host.cmake b/cmake/host.cmake
index 36d7d70..8323bed 100644
--- a/cmake/host.cmake
+++ b/cmake/host.cmake
@@ -1,3 +1,5 @@
+set(cdroot ${CMAKE_BINARY_DIR})
+
 if(CMAKE_BUILD_TYPE STREQUAL "Debug")
     set(cflags ${cflags} -Og)
 else()
diff --git a/cmake/ps1.cmake b/cmake/ps1.cmake
index bbc1c4c..0e6ae71 100644
--- a/cmake/ps1.cmake
+++ b/cmake/ps1.cmake
@@ -1,5 +1,8 @@
 find_package(PSXSDK 0.7.1 REQUIRED)
 
+set(cdroot ${CMAKE_BINARY_DIR}/cdimg)
+file(MAKE_DIRECTORY ${cdroot})
+
 target_compile_definitions(${PROJECT_NAME} PUBLIC FIXMATH_FAST_SIN PSXSDK_DEBUG)
 add_custom_target(exe ALL elf2exe ${PROJECT_NAME}
     ${cdroot}/${PROJECT_NAME}.exe -mark="A homebrew game created with PSXSDK"
diff --git a/cmake/win9x.cmake b/cmake/win9x.cmake
index c66ed5e..2637958 100644
--- a/cmake/win9x.cmake
+++ b/cmake/win9x.cmake
@@ -1,3 +1,5 @@
+set(cdroot ${CMAKE_BINARY_DIR})
+
 add_custom_command(OUTPUT ${cdroot}/${PROJECT_NAME}.exe
         COMMAND i386-mingw32-strip ${PROJECT_NAME}${CMAKE_EXECUTABLE_SUFFIX}
             -o ${cdroot}/${PROJECT_NAME}.exe