diff --git a/src/font/DeferredFace.zig b/src/font/DeferredFace.zig
index e513989e1..bddf012a4 100644
--- a/src/font/DeferredFace.zig
+++ b/src/font/DeferredFace.zig
@@ -379,6 +379,7 @@ test "fontconfig" {
 
     const discovery = @import("main.zig").discovery;
     const testing = std.testing;
+    const alloc = testing.allocator;
 
     // Load freetype
     var lib = try Library.init();
@@ -387,7 +388,7 @@ test "fontconfig" {
     // Get a deferred face from fontconfig
     var def = def: {
         var fc = discovery.Fontconfig.init();
-        var it = try fc.discover(.{ .family = "monospace", .size = 12 });
+        var it = try fc.discover(alloc, .{ .family = "monospace", .size = 12 });
         defer it.deinit();
         break :def (try it.next()).?;
     };
diff --git a/src/font/Group.zig b/src/font/Group.zig
index a19e07c10..69f41da38 100644
--- a/src/font/Group.zig
+++ b/src/font/Group.zig
@@ -835,7 +835,7 @@ test "discover monospace with fontconfig and freetype" {
 
     // Search for fonts
     var fc = Discover.init();
-    var it = try fc.discover(.{ .family = "monospace", .size = 12 });
+    var it = try fc.discover(alloc, .{ .family = "monospace", .size = 12 });
     defer it.deinit();
 
     // Initialize the group with the deferred face
diff --git a/src/font/discovery.zig b/src/font/discovery.zig
index dfde8299e..53fd2ce36 100644
--- a/src/font/discovery.zig
+++ b/src/font/discovery.zig
@@ -234,7 +234,9 @@ pub const Fontconfig = struct {
 
     /// Discover fonts from a descriptor. This returns an iterator that can
     /// be used to build up the deferred fonts.
-    pub fn discover(self: *const Fontconfig, desc: Descriptor) !DiscoverIterator {
+    pub fn discover(self: *const Fontconfig, alloc: Allocator, desc: Descriptor) !DiscoverIterator {
+        _ = alloc;
+
         // Build our pattern that we'll search for
         const pat = desc.toFcPattern();
         errdefer pat.destroy();