diff --git a/source/dub/commandline.d b/source/dub/commandline.d
index bb8df3f..9a3135f 100644
--- a/source/dub/commandline.d
+++ b/source/dub/commandline.d
@@ -411,10 +411,19 @@
 			return inp.length > 1 ? inp[0 .. $-1] : default_value;
 		}
 
-		void depCallback(ref PackageRecipe p) {
+		void depCallback(ref PackageRecipe p, ref PackageFormat fmt) {
 			if (m_nonInteractive) return;
 			
-			auto fmt = input("Package recipe format (sdl/json)", m_format.to!string);
+			while (true) {
+				string rawfmt = input("Package recipe format (sdl/json)", fmt.to!string);
+				if (!rawfmt.length) break;
+				try {
+					fmt = rawfmt.to!PackageFormat;
+					break;
+				} catch (Exception) {
+					logError("Invalid format, \""~rawfmt~"\", enter either \"sdl\" or \"json\".");
+				}
+			}
 			auto author = p.authors.join(", ");
 			p.name = input("Name", p.name);
 			p.description = input("Description", p.description);
diff --git a/source/dub/dub.d b/source/dub/dub.d
index eec2ce1..c513864 100644
--- a/source/dub/dub.d
+++ b/source/dub/dub.d
@@ -745,7 +745,9 @@
 		else return vers[$-1];
 	}
 
-	void createEmptyPackage(Path path, string[] deps, string type, PackageFormat format = PackageFormat.sdl, scope void delegate(ref PackageRecipe) recipe_callback = null)
+	void createEmptyPackage(Path path, string[] deps, string type,
+		PackageFormat format = PackageFormat.sdl,
+		scope void delegate(ref PackageRecipe, ref PackageFormat) recipe_callback = null)
 	{
 		if (!path.absolute) path = m_rootPath ~ path;
 		path.normalize();
diff --git a/source/dub/init.d b/source/dub/init.d
index aff77c4..7d8d98b 100644
--- a/source/dub/init.d
+++ b/source/dub/init.d
@@ -20,7 +20,7 @@
 import std.process;
 import std.string;
 
-void initPackage(Path root_path, string[string] deps, string type, PackageFormat format, scope void delegate(ref PackageRecipe) recipe_callback = null)
+void initPackage(Path root_path, string[string] deps, string type, PackageFormat format, scope void delegate(ref PackageRecipe, ref PackageFormat) recipe_callback = null)
 {
 	import std.conv : to;
 	import dub.recipe.io : writePackageRecipe;
@@ -62,7 +62,7 @@
 		case "deimos": initDeimosPackage(root_path, p); break;
 	}
 
-	if (recipe_callback) recipe_callback(p);
+	if (recipe_callback) recipe_callback(p, format);
 	writePackageRecipe(root_path ~ ("dub."~format.to!string), p);
 	writeGitignore(root_path);
 }