diff --git a/README.md b/README.md
index 740cec39b9257a918bfa80b229d3c298b70850d7..d4219e5e8284b9a0030f6feb671ff52f350fb063 100644
--- a/README.md
+++ b/README.md
@@ -9,3 +9,6 @@ automake --add-missing
 make
 
 Shared library in .libs/libaparapi.so
+
+To prepare a 32bit version on a 64bit system simply run configure as:
+./configure --build=i686-pc-linux-gnu "CFLAGS=-m32" "CXXFLAGS=-m32" "LDFLAGS=-m32"
\ No newline at end of file