diff --git a/makepanda/installpanda.py b/makepanda/installpanda.py
index 268061bdee..11cf685511 100644
--- a/makepanda/installpanda.py
+++ b/makepanda/installpanda.py
@@ -137,6 +137,7 @@ def InstallPanda(destdir="", prefix="/usr", outputdir="built"):
     oscmd("echo '"+prefix+libdir+"/panda3d'>    "+destdir+"/etc/ld.so.conf.d/panda3d.conf")
     oscmd("echo '"+prefix+"/share/panda3d' >    "+destdir+PPATH+"/panda3d.pth")
     oscmd("echo '"+prefix+libdir+"/panda3d'>>   "+destdir+PPATH+"/panda3d.pth")
+    oscmd("chmod +x "+destdir+"/etc/ld.so.conf.d/panda3d.conf")
     oscmd("cp "+outputdir+"/bin/*               "+destdir+prefix+"/bin/")
     for base in os.listdir(outputdir+"/lib"):
         if (not base.endswith(".a")):