diff --git a/projects/python3-libraries/build.sh b/projects/python3-libraries/build.sh
index c3cf7f195..d6f9dfd53 100755
--- a/projects/python3-libraries/build.sh
+++ b/projects/python3-libraries/build.sh
@@ -41,7 +41,7 @@ case $SANITIZER in
     ;;
 esac
 
-export CPYTHON_INSTALL_PATH=$OUT/cpython-install
+export CPYTHON_INSTALL_PATH=$SRC/cpython-install
 rm -rf $CPYTHON_INSTALL_PATH
 mkdir $CPYTHON_INSTALL_PATH
 
@@ -56,6 +56,8 @@ sed -i 's/case TARGET\(.*\): {/\0\nfuzzer_record_code_coverage(f->f_code, f->f_l
 make -j$(nproc)
 make install
 
+cp -R $CPYTHON_INSTALL_PATH $OUT/
+
 cd $SRC/python-library-fuzzers
 rm $CPYTHON_INSTALL_PATH/lib/python3.9/lib-dynload/_tkinter*.so
 make