diff --git a/src/resolve-system-dependencies/local.mk b/src/resolve-system-dependencies/local.mk
index bf65f7905..f0e82e023 100644
--- a/src/resolve-system-dependencies/local.mk
+++ b/src/resolve-system-dependencies/local.mk
@@ -6,6 +6,8 @@ resolve-system-dependencies_DIR := $(d)
 
 resolve-system-dependencies_INSTALL_DIR := $(libexecdir)/nix
 
+resolve-system-dependencies_CXXFLAGS += -I src/libutil -I src/libstore -I src/libmain
+
 resolve-system-dependencies_LIBS := libstore libmain libutil libnixrust
 
 resolve-system-dependencies_SOURCES := $(d)/resolve-system-dependencies.cc