diff --git a/doc/build-unix.md b/doc/build-unix.md
index 92aed7725..95e501ac6 100644
--- a/doc/build-unix.md
+++ b/doc/build-unix.md
@@ -154,7 +154,8 @@ make install
 
 # Configure Bitcoin Core to use our own-built instance of BDB
 cd $BITCOIN_ROOT
-./configure (other args...) LDFLAGS="-L${BDB_PREFIX}/lib/" CPPFLAGS="-I${BDB_PREFIX}/include/"
+./autogen.sh
+./configure LDFLAGS="-L${BDB_PREFIX}/lib/" CPPFLAGS="-I${BDB_PREFIX}/include/" # (other args...)
 ```
 
 **Note**: You only need Berkeley DB if the wallet is enabled (see the section *Disable-Wallet mode* below).