diff --git a/BUILD.md b/BUILD.md
index 4a0274cea6..df3f18cf51 100644
--- a/BUILD.md
+++ b/BUILD.md
@@ -46,6 +46,7 @@ This can either be entered directly into your shell session before you build or
 
 The path it needs to be set to will depend on where and how Qt5 was installed. e.g.
 
+    export QT_CMAKE_PREFIX_PATH=/usr/local/Qt5.10.1/5.10.1/gcc_64/lib/cmake
     export QT_CMAKE_PREFIX_PATH=/usr/local/qt/5.10.1/clang_64/lib/cmake/
     export QT_CMAKE_PREFIX_PATH=/usr/local/Cellar/qt5/5.10.1/lib/cmake
     export QT_CMAKE_PREFIX_PATH=/usr/local/opt/qt5/lib/cmake