diff --git a/autobuild/ensure_THIS_JAMULUS_PROJECT_PATH.sh b/autobuild/ensure_THIS_JAMULUS_PROJECT_PATH.sh
old mode 100644
new mode 100755
diff --git a/autobuild/linux/autobuild_deb_1_prepare.sh b/autobuild/linux/autobuild_deb_1_prepare.sh
old mode 100644
new mode 100755
diff --git a/autobuild/linux/autobuild_deb_2_build.sh b/autobuild/linux/autobuild_deb_2_build.sh
old mode 100644
new mode 100755
diff --git a/autobuild/linux/autobuild_deb_3_copy_files.sh b/autobuild/linux/autobuild_deb_3_copy_files.sh
old mode 100644
new mode 100755