diff --git a/README.md b/README.md
index eff8d0418..9bda4ea13 100644
--- a/README.md
+++ b/README.md
@@ -56,7 +56,7 @@ Then replace the number in `-j8` below with this number. This will make compilat
 Now you will make an out-of-source compilation of RawTherapee, it will be built into the ~/repo-rt/build/release folder, and then you will move this folder to your home directory and rename it to "rawtherapee", so make sure there is no ~/rawtherapee folder already!
 ```
 mkdir build && cd build && \
-cmake -DCMAKE_BUILD_TYPE="release" -DPROC_TARGET_NUMBER="2" -DBUILD_BUNDLE="ON" -DBINDIR="." -DDATADIR="." -DCACHE_NAME_SUFFIX=4 .. && \
+cmake -DCMAKE_CXX_FLAGS="-std=c++11" -DCMAKE_BUILD_TYPE="release" -DPROC_TARGET_NUMBER="2" -DBUILD_BUNDLE="ON" -DBINDIR="." -DDATADIR="." -DCACHE_NAME_SUFFIX=4 .. && \
 make -j8 install && \
 mv release ~/rawtherapee
 ```