diff --git a/.travis.yml b/.travis.yml
index 60f289ad88..032c790196 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,7 +9,7 @@ addons:
     - libxrender-dev
 
 env:
-    - SW=$HOME/sw PATH=$SW/bin:$PATH CFLAGS=-I$SW/include LDFLAGS=-L$SW/lib LD_LIBRARY_PATH=$SW/qt/lib:$SW/lib PKG_CONFIG_PATH=$SW/lib/pkgconfig QMAKE=$SW/qt/bin/qmake
+    - SW=$HOME/sw PATH=$SW/bin:$PATH CFLAGS=-I$SW/include LDFLAGS=-L$SW/lib LD_LIBRARY_PATH=$SW/qt/lib:$SW/lib PKG_CONFIG_PATH=$SW/lib/pkgconfig QMAKE=$SW/qt/bin/qmake QMAKESPEC=$SW/qt/mkspecs/linux=g++
 
 before_install:
     - curl https://download.calibre-ebook.com/travis/sw-linux.tar.xz | tar xJ -C $HOME