diff --git a/src/show.jl b/src/show.jl
index 98b919d..ad0559e 100644
--- a/src/show.jl
+++ b/src/show.jl
@@ -16,10 +16,10 @@ const SHOWINT = false  # whether to format integer columns without decimals
 # strwidth(b::Bool)::Int = b ? 4 : 5
 # strwidth(c::Char)::Int = 1
 
-str_width(s::AbstractString)::Int = strwidth(string(s))
+str_width(s::AbstractString)::Int = strwidth(s)
 str_width(s::Symbol)::Int = strwidth(string(s))
-str_width(n::Number)::Int = strwidth(string(s))
-str_width(f::Function)::Int = strwidth(string(s))
+str_width(n::Number)::Int = strwidth(string(n))
+str_width(f::Function)::Int = strwidth(string(f))
 str_width(b::Bool)::Int = b ? 4 : 5
 str_width(c::Char)::Int = 1