diff --git a/README.md b/README.md
index 761b3523..e7204821 100644
--- a/README.md
+++ b/README.md
@@ -188,7 +188,7 @@ You can then use CMake to configure and generate an Xcode project:
 ````
 mkdir build-ios
 cd build-ios
-cmake -DCMAKE_TOOLCHAIN_FILE=[path to iOS.cmake] -GXcode ..
+cmake -DNO_CUDA=1 -DCMAKE_TOOLCHAIN_FILE=[path to iOS.cmake] -GXcode ..
 
 xcodebuild -target install -configuration Debug
 ````
diff --git a/cmake/FindOpenGLES.cmake b/cmake/FindOpenGLES.cmake
index 23b8d0a4..759324c7 100644
--- a/cmake/FindOpenGLES.cmake
+++ b/cmake/FindOpenGLES.cmake
@@ -43,6 +43,10 @@ if(ANDROID)
     )
 
 elseif(IOS)
+    FIND_PATH( OPENGLES_INCLUDE_DIR
+        OpenGLES/ES2/gl.h
+    )
+
     FIND_LIBRARY( OPENGLES_FRAMEWORKS OpenGLES )
 
     if(OPENGLES_FRAMEWORKS)