diff --git a/CMakeLists.txt b/CMakeLists.txt
index f57384d..171ea99 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -57,9 +57,11 @@ if(CMAKE_SIZEOF_VOID_P EQUAL 8)
   set(BITNESS 64)
 endif()
 
-file(TO_CMAKE_PATH "$ENV{QHOME}" QHOME_PATH)
-install(TARGETS ${MY_LIBRARY_NAME} DESTINATION "${QHOME_PATH}/${OSFLAG}${BITNESS}/")
-install(DIRECTORY "q/" DESTINATION "${QHOME_PATH}" FILES_MATCHING PATTERN "*.q")
+if(DEFINED ENV{QHOME})
+    file(TO_CMAKE_PATH "$ENV{QHOME}" QHOME_PATH)
+    install(TARGETS ${MY_LIBRARY_NAME} DESTINATION "${QHOME_PATH}/${OSFLAG}${BITNESS}/")
+    install(DIRECTORY "q/" DESTINATION "${QHOME_PATH}" FILES_MATCHING PATTERN "*.q")
+endif()
 
 install(FILES README.md LICENSE ${INSTALL_SCRIPT} DESTINATION ${PROJECT_BINARY_DIR}/kdbldap/)
 install(DIRECTORY examples DESTINATION ${PROJECT_BINARY_DIR}/kdbldap)