diff --git a/compiler/rustc_session/src/session.rs b/compiler/rustc_session/src/session.rs
index 09fb6aa5d8f98..6b2bac8eeeb4e 100644
--- a/compiler/rustc_session/src/session.rs
+++ b/compiler/rustc_session/src/session.rs
@@ -907,7 +907,7 @@ impl Session {
                 | CrateType::Rlib
                 | CrateType::Staticlib
                 | CrateType::Cdylib => continue,
-                CrateType::ProcMacro => return false,
+                CrateType::ProcMacro => return true,
             }
         }