diff --git a/driver/ldmd.cpp b/driver/ldmd.cpp
index 8a1cd407..e506a921 100644
--- a/driver/ldmd.cpp
+++ b/driver/ldmd.cpp
@@ -745,7 +745,12 @@ void buildCommandLine(std::vector<const char*>& r, const Params& p)
     if (p.emitSharedLib) r.push_back("-shared");
     if (p.pic) r.push_back("-relocation-model=pic");
     if (p.emitMap) warning("Map file generation not yet supported by LDC.");
+#ifndef DMDV1
+    // LDMD historically did not enable singleobj mode, so in order not to
+    // break build systems as a D1 parting gift, don't change this right now.
+    // This might change based on user feedback, though.
     if (!p.multiObj) r.push_back("-singleobj");
+#endif
     if (p.debugInfo == Debug::normal) r.push_back("-g");
     else if (p.debugInfo == Debug::pretendC) r.push_back("-gc");
     if (p.alwaysStackFrame) r.push_back("-disable-fp-elim");