diff --git a/llvm-gcc-4.0/README.LLVM b/llvm-gcc-4.0/README.LLVM
index fcc6ebe..a016ad5 100644
--- a/llvm-gcc-4.0/README.LLVM
+++ b/llvm-gcc-4.0/README.LLVM
@@ -119,7 +119,7 @@
 $ mkdir obj
 $ mkdir install
 $ cd obj
-$ ../llvm-gcc4-x.y.source/configure --prefix=`pwd`/../install \
+$ ../llvm-gcc4-x.y.source/configure --prefix=`pwd`/../install --program-prefix=llvm- \
     --enable-llvm=$LLVMOBJDIR --enable-languages=c,c++$EXTRALANGS $TARGETOPTIONS
 $ make $BUILDOPTIONS
 $ make install