diff --git a/src/SortTileRecursiveTree.jl b/src/SortTileRecursiveTree.jl
index 271d0c5..4efecd2 100644
--- a/src/SortTileRecursiveTree.jl
+++ b/src/SortTileRecursiveTree.jl
@@ -36,7 +36,11 @@ GI.extent(n::STRLeafNode) = foldl(Extents.union, n.extents)
 
 function Base.show(io::IO, tree::SortTileRecursiveTree.STRtree)
     println(io, "STRtree")
-    display(tree.rootnode.extent)
+    if tree.rootnode isa STRNode
+        display(tree.rootnode.extent)
+    elseif tree.rootnode isa STRLeafNode
+        display(foldl(Extents.union, tree.rootnode.extents))
+    end
 end
 
 
diff --git a/test/runtests.jl b/test/runtests.jl
index 5ec9e70..9443def 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -6,16 +6,32 @@ import GeoInterface as GI
 
 
 @testset "SortTileRecursiveTree.jl" begin
-    x = 1:100
-    y = 1:100
-    points = AG.createpoint.(x, y')
-    # polygons = AG.buffer.(points, 0.1)
-    tree = STRtree(points)
-    @test tree.rootnode isa SortTileRecursiveTree.STRNode
-    @test tree.rootnode.children[1] isa SortTileRecursiveTree.STRNode
+    @testset "Single point" begin
+        point = AG.createpoint(1, 1)
+        tree = STRtree([point])
+
+        # test that showing the thing works
+        display(tree)
+
+        @test query(tree, Extent(X=(0, 1.5), Y=(0, 1.5))) == [1]
+        @test query(tree, Extent(X=(0, 0.5), Y=(0, 0.5))) == []
+    end
     
-    query_result = query(tree, Extent(X=(0, 100.5), Y=(0, 1.5)))
-    @test query_result isa Vector{Int}
-    @test length(query_result) == 100
-    @test points[query_result] == points[:,1]
+    @testset "Many points" begin
+        x = 1:100
+        y = 1:100
+        points = AG.createpoint.(x, y')
+        # polygons = AG.buffer.(points, 0.1)
+        tree = STRtree(points)
+        display(tree)
+        
+        @test tree.rootnode isa SortTileRecursiveTree.STRNode
+        @test tree.rootnode.children[1] isa SortTileRecursiveTree.STRNode
+        
+        query_result = query(tree, Extent(X=(0, 100.5), Y=(0, 1.5)))
+        @test query_result isa Vector{Int}
+        @test length(query_result) == 100
+        @test points[query_result] == points[:,1]
+        @test query(tree, Extent(X=(0, 0.5), Y=(0, 0.5))) == []
+    end
 end