diff --git a/bin/python-build b/bin/python-build
index db50170..8cc9960 100755
--- a/bin/python-build
+++ b/bin/python-build
@@ -9,7 +9,7 @@ cd python
 mv */* .
 
 mkdir -p $BUILD_DIR/.vendor/python
-./configure --prefix $BUILD_DIR/.vendor/python
+./configure --prefix=$BUILD_DIR/.vendor/python
 make
 make install