diff --git a/var/spack/repos/builtin/packages/dia/package.py b/var/spack/repos/builtin/packages/dia/package.py
index 871845c93d4..735e150c67f 100644
--- a/var/spack/repos/builtin/packages/dia/package.py
+++ b/var/spack/repos/builtin/packages/dia/package.py
@@ -33,6 +33,8 @@ class Dia(Package):
     version('0.97.3',    '0e744a0f6a6c4cb6a089e4d955392c3c')
 
     depends_on('intltool', type='build')
+    depends_on('gettext', type='build')
+    depends_on('pkg-config', type='build')
     depends_on('gtkplus@2.6.0:')
     depends_on('libxslt')
     depends_on('python')