diff --git a/gtk2_ardour/icons/application-x-ardour_16px.png b/gtk2_ardour/icons/application-x-ardour_16px.png
old mode 100755
new mode 100644
diff --git a/gtk2_ardour/icons/application-x-ardour_22px.png b/gtk2_ardour/icons/application-x-ardour_22px.png
old mode 100755
new mode 100644
diff --git a/gtk2_ardour/icons/application-x-ardour_32px.png b/gtk2_ardour/icons/application-x-ardour_32px.png
old mode 100755
new mode 100644
diff --git a/gtk2_ardour/icons/application-x-ardour_48px.png b/gtk2_ardour/icons/application-x-ardour_48px.png
old mode 100755
new mode 100644