diff --git a/Builds/create-symlinks.sh b/Builds/create-symlinks.sh
index aa15f27..f8944c6 100755
--- a/Builds/create-symlinks.sh
+++ b/Builds/create-symlinks.sh
@@ -23,14 +23,28 @@ if [[ ! -e $linkpath && -e $targetpath ]]; then
     ln -s "$targetpath" "$linkpath"
 fi
 
-targetpath=$(ls -d1 /usr/include/*/GL | head -n 1)
+targetpath=""
+
+if [ -d /usr/include/*/GL ]; then
+    targetpath=$(ls -d1 /usr/include/*/GL | head -n 1)
+elif [ -d /usr/include/GL ]; then
+    targetpath="/usr/include/GL"
+fi
+
 linkpath="$LOCAL_INCLUDE_DIR/GL"
 
 if [[ ! -e $linkpath && -e $targetpath ]]; then
     ln -s "$targetpath" "$linkpath"
 fi
 
-targetpath=$(ls -d1 /usr/include/*/CL | head -n 1)
+targetpath=""
+
+if [ -d /usr/include/*/CL ]; then
+    targetpath=$(ls -d1 /usr/include/*/CL | head -n 1)
+elif [ -d /usr/include/CL ]; then
+    targetpath="/usr/include/CL"
+fi
+
 linkpath="$LOCAL_INCLUDE_DIR/CL"
 
 if [[ ! -e $linkpath && -e $targetpath ]]; then
diff --git a/Data/BuildGuideLinux.md b/Data/BuildGuideLinux.md
index eced55e..f1ee1f0 100644
--- a/Data/BuildGuideLinux.md
+++ b/Data/BuildGuideLinux.md
@@ -21,6 +21,12 @@ Install the OpenCL drivers and opencl support for your hardware. For Nvidia:
 sudo apt-get install nvidia-352 nvidia-352-dev nvidia-opencl-icd-352 nvidia-libopencl1-352 nvidia-prime nvidia-modprobe
 ```
 
+If you have both Qt 4 and 5 installed, select Qt 5 before compilation:
+
+```
+export QT_SELECT=qt5
+```
+
 Compile the binary:
 
 ```