diff --git a/src/libexpr/local.mk b/src/libexpr/local.mk
index 637f998b6..b37fe6f1d 100644
--- a/src/libexpr/local.mk
+++ b/src/libexpr/local.mk
@@ -45,8 +45,6 @@ $(foreach i, $(wildcard src/libexpr/flake/*.hh), \
 
 $(d)/primops.cc: $(d)/imported-drv-to-derivation.nix.gen.hh
 
-$(d)/eval.cc: $(d)/primops/derivation.nix.gen.hh $(d)/fetchurl.nix.gen.hh
-
-$(d)/eval.o: $(d)/flake/call-flake.nix.gen.hh
+$(d)/eval.cc: $(d)/primops/derivation.nix.gen.hh $(d)/fetchurl.nix.gen.hh $(d)/flake/call-flake.nix.gen.hh
 
 src/libexpr/primops/fromTOML.o:	ERROR_SWITCH_ENUM =