diff --git a/src/base/pspdev.cmake b/src/base/pspdev.cmake
index 10659c74..1633e23a 100644
--- a/src/base/pspdev.cmake
+++ b/src/base/pspdev.cmake
@@ -21,6 +21,8 @@ SET(CMAKE_FIND_ROOT_PATH ${PSPDEV} ${PSPDEV}/psp ${PSPDEV}/psp/sdk)
 SET(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
 SET(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
 SET(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
+SET(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
+SET(CMAKE_SYSTEM_PREFIX_PATH ${CMAKE_FIND_ROOT_PATH})
 
 SET(PKG_CONFIG_EXECUTABLE "${PSPDEV}/bin/psp-pkg-config" CACHE STRING "Path to pkg-config")