diff --git a/README.md b/README.md
index 628c383405a01..bc2f073b2e457 100644
--- a/README.md
+++ b/README.md
@@ -122,6 +122,7 @@ Otherwise, install or contact your systems adminstrator to install a more recent
OpenBLAS build failure | Set one of the following build options in `Make.user` and build again:
- `OPENBLAS_TARGET_ARCH=BARCELONA` (AMD CPUs)
- `OPENBLAS_TARGET_ARCH=NEHALEM` (Intel CPUs)
- `USE_SYSTEM_BLAS=1` uses the system provided `libblas`
- Set `LIBBLAS=-lopenblas` and `LIBBLASNAME=libopenblas` to force the use of the system provided OpenBLAS when multiple BLAS versions are installed
readline build error | Set `USE_SYSTEM_READLINE=1` in `Make.user`
ncurses build error | Install the `libncurses5` development package - Debian/Ubuntu: `apt-get install libncurses5-dev`
- RPM-based systems: `yum install libncurses5-devel`
+ Illegal Instruction error | Check if your CPU supports AVX while your OS does not (e.g. through virtualization, as described in [this issue](https://github.com/JuliaLang/julia/issues/3263)), and try installing LLVM 3.3 instead of LLVM 3.2.
### OS X