diff --git a/test/caching_allocations.jl b/test/caching_allocations.jl
index 862ec22..c45af14 100644
--- a/test/caching_allocations.jl
+++ b/test/caching_allocations.jl
@@ -31,10 +31,10 @@ end
 
     @test Y isa AlgebraElement
 
-    @static if v"1.10" ≤ VERSION < v"1.11"
+    @static if v"1.10" ≤ VERSION
         star(Y)
         star(Y)
-        @test (@allocations star(Y)) ≤ 4
+        @test (@allocations star(Y)) ≤ 6
     end
 
     @test SA.supp(Y) == basis(fRG)[1:k]
@@ -48,7 +48,7 @@ end
     @test all(!iszero(mstr.table))
     @test_throws SA.UndefRefError all(!iszero, SA.mstructure(fRG).table)
 
-    @static if v"1.10" ≤ VERSION < v"1.11"
+    @static if v"1.10" ≤ VERSION
         @test (@allocations Y * Y) > k^2 - 2 * k
         @test Y * Y isa AlgebraElement
         @test (@allocations Y * Y) ≤ 26
@@ -63,15 +63,15 @@ end
     @test all(!iszero, SA.mstructure(fRG).table)
 
 
-    @static if v"1.10" ≤ VERSION < v"1.11"
+    @static if v"1.10" ≤ VERSION
         YY = deepcopy(Y)
         _alloc_test(YY, *, Y, Y, 25)
         _alloc_test(YY, +, Y, Y, 0)
         _alloc_test(YY, -, Y, Y, 0)
 
         # SparseArrays calls `Base.unalias` which allocates:
-        _alloc_test(YY, +, YY, Y, 2)
-        _alloc_test(YY, +, Y, YY, 2)
+        _alloc_test(YY, +, YY, Y, 4)
+        _alloc_test(YY, +, Y, YY, 4)
     end
 end
 
diff --git a/test/monoid_algebra.jl b/test/monoid_algebra.jl
index a05f9d2..97b951e 100644
--- a/test/monoid_algebra.jl
+++ b/test/monoid_algebra.jl
@@ -127,12 +127,13 @@
             @test_throws ArgumentError MA.operate_to!(d, *, d, b)
 
             d = deepcopy(a)
-            @test @allocated(MA.operate_to!(d, *, 2, d)) == 0
-            @test d == 2a
-
+            MA.operate_to!(d, *, 2, a) # preallocates memory in coefficients
             @test @allocated(MA.operate_to!(d, *, 2, a)) == 0
             @test d == 2a
 
+            @test @allocated(MA.operate_to!(d, *, 2, d)) == 0
+            @test d == 4a
+
             MA.operate_to!(d, *, a, b, 2)
             @test d == 2 * a * b
         end