diff --git a/ognibuild/buildsystem.py b/ognibuild/buildsystem.py
index 7db32a4..0d6114c 100644
--- a/ognibuild/buildsystem.py
+++ b/ognibuild/buildsystem.py
@@ -692,10 +692,14 @@ class Npm(BuildSystem):
         return "%s(%r)" % (type(self).__name__, self.path)
 
     def get_declared_dependencies(self, session, fixers=None):
+        for 'dependencies' in self.package:
+            for name, unused_version in self.package["dependencies"].items():
+                # TODO(jelmer): Look at version
+                yield "core", NodePackageRequirement(name)
         if "devDependencies" in self.package:
             for name, unused_version in self.package["devDependencies"].items():
                 # TODO(jelmer): Look at version
-                yield "dev", NodePackageRequirement(name)
+                yield "build", NodePackageRequirement(name)
 
     def setup(self, resolver):
         resolver.install([BinaryRequirement("npm")])