diff --git a/base/precompilation.jl b/base/precompilation.jl
index c51297ee2a791..5d352b385892f 100644
--- a/base/precompilation.jl
+++ b/base/precompilation.jl
@@ -920,7 +920,7 @@ function _precompilepkgs(pkgs::Vector{String},
             flags, cacheflags = config
             task = @async begin
                 try
-                    loaded = haskey(Base.loaded_modules, pkg)
+                    loaded = warn_loaded && haskey(Base.loaded_modules, pkg)
                     for dep in deps # wait for deps to finish
                         wait(was_processed[(dep,config)])
                     end