diff --git a/test/test_Interface.jl b/test/test_Interface.jl
index 2d0cefaa..ba8aa65a 100644
--- a/test/test_Interface.jl
+++ b/test/test_Interface.jl
@@ -31,7 +31,7 @@ manyweights /= sum(manyweights);
     @test noccurring(fmc) == numspecies
     @test noccupied(fmc, 1) == numcommunities - 1
     @test noccurring(fmc, 1) == numspecies - 1
-    @test nthings(fmc) == species
+    @test nthings(fmc) == numspecies
     @test nplaces(fmc) == numcommunities
 end