diff --git a/src/structarray.jl b/src/structarray.jl
index d83ccbd3..d00ec4ad 100644
--- a/src/structarray.jl
+++ b/src/structarray.jl
@@ -289,13 +289,14 @@ for type in (
         :(Tuple{Union{Integer, AbstractUnitRange}, Vararg{Union{Integer, AbstractUnitRange}}}),
         # disambiguation with Base
         :(Tuple{Union{Integer, Base.OneTo}, Vararg{Union{Integer, Base.OneTo}}}),
+        :(Tuple{Integer, Vararg{Integer}}),
     )
     @eval function Base.similar(::Type{<:StructArray{T, N, C}}, sz::$(type)) where {T, N, C}
         return buildfromschema(typ -> similar(typ, sz), T, C)
     end
 
-    @eval function Base.similar(s::StructArray, S::Type, sz::$(type))
-        return _similar(s, S, sz)
+    @eval function Base.similar(s::StructArray, ::Type{T}, sz::$(type)) where {T}
+        return _similar(s, T, sz)
     end
 end
 
@@ -470,8 +471,9 @@ for type in (
         # mimic OffsetArrays signature
         :(Tuple{Union{Integer, AbstractUnitRange, Colon}, Vararg{Union{Integer, AbstractUnitRange, Colon}}}),
         # disambiguation with Base
+        :(Tuple{Integer, Vararg{Integer}}),
         :(Tuple{Union{Integer, Base.OneTo}, Vararg{Union{Integer, Base.OneTo}}}),
-        :(Tuple{Vararg{Union{Colon, Integer}}}),
+        :(Tuple{Union{Colon, Integer}, Vararg{Union{Colon, Integer}}}),
         :(Tuple{Vararg{Union{Colon, Int}}}),
         :(Tuple{Colon}),
     )
diff --git a/test/runtests.jl b/test/runtests.jl
index 29ff3efb..97d4d860 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -394,6 +394,10 @@ end
     @test s isa Matrix{Float32}
     @test size(s) == (2, 2)
 
+    s = similar(t, Float32, (Int8(2), 2))
+    @test s isa Matrix{Float32}
+    @test size(s) == (2, 2)
+
     s = similar(t, Float32, 0:1, 2)
     @test s isa OffsetMatrix{Float32, Matrix{Float32}}
     @test axes(s) == (0:1, 1:2)
@@ -1000,6 +1004,8 @@ end
     @test rs.a == [1 3; 2 4]
     @test rs.b == ["a" "c"; "b" "d"]
 
+    @test reshape(s, (Int8(2), 2)) == reshape(s, (2, 2))
+
     rs = reshape(s, (:,))
     @test rs.a == s.a
     @test rs.b == s.b
@@ -1206,7 +1212,7 @@ end
 # The following code defines `MyArray1/2/3` with different `BroadcastStyle`s.
 # 1. `MyArray1` and `MyArray1` have `similar` defined.
 #     We use them to simulate `BroadcastStyle` overloading `Base.copyto!`.
-# 2. `MyArray3` has no `similar` defined. 
+# 2. `MyArray3` has no `similar` defined.
 #    We use it to simulate `BroadcastStyle` overloading `Base.copy`.
 # 3. Their resolved style could be summaryized as (`-` means conflict)
 #              |  MyArray1  |  MyArray2  |  MyArray3  |  Array
@@ -1302,7 +1308,7 @@ Base.BroadcastStyle(::Broadcast.ArrayStyle{MyArray2}, S::Broadcast.DefaultArrayS
     f(s) = s .+= 1
     f(s)
     @test (@allocated f(s)) == 0
-    
+
     # issue #185
     A = StructArray(randn(ComplexF64, 3, 3))
     B = randn(ComplexF64, 3, 3)
@@ -1321,7 +1327,7 @@ Base.BroadcastStyle(::Broadcast.ArrayStyle{MyArray2}, S::Broadcast.DefaultArrayS
 
     @testset "ambiguity check" begin
         test_set = Any[StructArray([1;2+im]),
-                    1:2, 
+                    1:2,
                     (1,2),
                     StructArray(@SArray [1;1+2im]),
                     (@SArray [1 2]),
@@ -1543,5 +1549,5 @@ end
 end
 
 @testset "project quality" begin
-    Aqua.test_all(StructArrays, ambiguities=(; broken=true))
+    Aqua.test_all(StructArrays, ambiguities = VERSION >= v"1.10")
 end