diff --git a/travis/prepare.sh b/travis/prepare.sh
index 1916f2d7..39804172 100644
--- a/travis/prepare.sh
+++ b/travis/prepare.sh
@@ -14,7 +14,7 @@ then
 	sudo apt-get install ${QT_PKG_PREFIX}base ${QT_PKG_PREFIX}svg ${QT_PKG_PREFIX}tools ${QT_PKG_PREFIX}x11extras ${QT_PKG_PREFIX}webkit
 
 	sudo mkdir -p /opt/cmake-3/
-	wget http://www.cmake.org/files/v3.2/cmake-3.2.2-Linux-x86_64.sh
+	wget --no-check-certificate http://www.cmake.org/files/v3.2/cmake-3.2.2-Linux-x86_64.sh
 	sudo sh cmake-3.2.2-Linux-x86_64.sh --skip-license --prefix=/opt/cmake-3/
 
 	export CMAKE_PREFIX_PATH=/opt/$QT_PKG_PREFIX/lib/cmake