diff --git a/Common-build-problems.md b/Common-build-problems.md
index 9c115fc..58223f9 100644
--- a/Common-build-problems.md
+++ b/Common-build-problems.md
@@ -208,14 +208,14 @@ pyenv install -v <python version>
 or, alternatively, [for Python 3.7+](https://bugs.python.org/issue32598), instead of `CPPFLAGS` and `LDFLAGS`:
 
 ```sh
-CONFIGURE_OPTS="-with-openssl=<openssl install prefix>"
+CONFIGURE_OPTS="--with-openssl=<openssl install prefix>"
 ```
 
 or
 
 ```sh
 LDFLAGS="-Wl,-rpath,<openssl install prefix>/lib" \
-CONFIGURE_OPTS="-with-openssl=<openssl install prefix>" \
+CONFIGURE_OPTS="--with-openssl=<openssl install prefix>" \
 pyenv install -v <python version>
 ```