diff --git a/INSTALL b/INSTALL
index 7be96d2ae..4a1344fc8 100644
--- a/INSTALL
+++ b/INSTALL
@@ -52,7 +52,7 @@ $ brew link --force sqlite
 $ mkdir -p ~/src/marble/build
 $ git clone -b KDE/4.11 git://anongit.kde.org/marble ~/src/marble/sources
 $ cd ~/src/marble/build
-$ cmake -DCMAKE_BUILD_TYPE=Debug -DQTONLY=TRUE -DCMAKE_INSTALL_PREFIX=/usr/local ..
+$ cmake -DCMAKE_BUILD_TYPE=Debug -DQTONLY=TRUE -DCMAKE_INSTALL_PREFIX=/usr/local ../sources
 $ cd src/lib
 $ make -j4
 $ cp *dylib /usr/local/lib/