diff --git a/var/spack/repos/builtin/packages/libmypaint/package.py b/var/spack/repos/builtin/packages/libmypaint/package.py
index 0cac584845..8db1f48890 100644
--- a/var/spack/repos/builtin/packages/libmypaint/package.py
+++ b/var/spack/repos/builtin/packages/libmypaint/package.py
@@ -25,6 +25,7 @@ class Libmypaint(AutotoolsPackage):
     variant("gegl", default=False, description="Enable GEGL based code in build")
     variant("introspection", default=True, description="Enable introspection for this build")
 
+    depends_on("intltool")
     depends_on("json-c")
     depends_on("perl@5.8.1:")
     depends_on("perl-xml-parser")
@@ -37,7 +38,7 @@ def configure_args(self):
         args = []
 
         if "+gegl" in self.spec:
-            args.extend("--enable-gegl=yes")
+            args.append("--enable-gegl=yes")
 
         if "+introspection" in self.spec:
             args.extend(