diff --git a/library/modules/Job.cpp b/library/modules/Job.cpp
index 366384fd2..4feb33bad 100644
--- a/library/modules/Job.cpp
+++ b/library/modules/Job.cpp
@@ -605,7 +605,7 @@ bool Job::isSuitableItem(df::job_item *item, df::item_type itype, int isubtype)
     ItemTypeInfo iinfo(itype, isubtype);
     MaterialInfo minfo(item);
 
-    return iinfo.isValid() && iinfo.matches(*item, &minfo, true, itype);
+    return iinfo.isValid() && iinfo.matches(*item, &minfo, false, itype);
 }
 
 bool Job::isSuitableMaterial(
@@ -619,7 +619,7 @@ bool Job::isSuitableMaterial(
     ItemTypeInfo iinfo(item);
     MaterialInfo minfo(mat_type, mat_index);
 
-    return minfo.isValid() && iinfo.matches(*item, &minfo, true, itype);
+    return minfo.isValid() && iinfo.matches(*item, &minfo, false, itype);
 }
 
 std::string Job::getName(df::job *job)