diff --git a/init.jl b/init.jl
index 96f434a..dec4f7e 100644
--- a/init.jl
+++ b/init.jl
@@ -214,6 +214,8 @@ function OrgBabelReload()
         if isdefined(Main, pkg) && (isa(getfield(Main, pkg), Module) ||
                                     isa(getfield(Main, pkg), UnionAll))
             define_package_functions(Symbol("define_", pkg))
+            # Remove loaded packages from list to prevent multiple execution
+            filter!(x -> x != pkg, supported_packages)
         end
     end
 end