diff --git a/src/libexpr/attr-path.cc b/src/libexpr/attr-path.cc
index 49c08339ae..c9dbe8ef20 100644
--- a/src/libexpr/attr-path.cc
+++ b/src/libexpr/attr-path.cc
@@ -1,4 +1,5 @@
 #include "attr-path.hh"
+#include "eval-inline.hh"
 #include "util.hh"
 
 
diff --git a/src/libexpr/value-to-xml.cc b/src/libexpr/value-to-xml.cc
index bc63f77626..3934a83eec 100644
--- a/src/libexpr/value-to-xml.cc
+++ b/src/libexpr/value-to-xml.cc
@@ -1,5 +1,6 @@
 #include "value-to-xml.hh"
 #include "xml-writer.hh"
+#include "eval-inline.hh"
 #include "util.hh"
 
 #include <cstdlib>