diff --git a/bpkg/__init__.py b/bpkg/__init__.py
index 1c5494d..52bd46d 100644
--- a/bpkg/__init__.py
+++ b/bpkg/__init__.py
@@ -491,8 +491,9 @@ class USERPREF_PT_packages(bpy.types.Panel):
                 lr2.label(text=blinfo.get('description', ""))
                 lr2.enabled = False #Give name more visual weight
 
-            right.operator(BPKG_OT_install.bl_idname,
-                    text="Install").package_url=pkg.get('url', "")
+            if pkg.get('url'):
+                right.operator(BPKG_OT_install.bl_idname,
+                    text="Install").package_url=pkg.get('url')
 
             def expanded():
                 row1 = leftcol.row()