diff --git a/src/explore.jl b/src/explore.jl
index 17ce05e..d66c688 100644
--- a/src/explore.jl
+++ b/src/explore.jl
@@ -334,7 +334,7 @@ Returns whether or not an assignment Expr(:(=),...) is assigning to a new functi
 """
 is_function_assignment(ex::Expr)::Bool = ex.args[1] isa Expr && (ex.args[1].head === :call || ex.args[1].head === :where || (ex.args[1].head === :(::) && ex.args[1].args[1] isa Expr && ex.args[1].args[1].head === :call))
 
-anonymous_name() = Symbol("anon", rand(UInt64))
+anonymous_name() = Symbol("__ExprExpl_anon__", rand(UInt64))
 
 function explore_assignment!(ex::Expr, scopestate::ScopeState)::SymbolsState
     # Does not create scope
diff --git a/test/helpers.jl b/test/helpers.jl
index 48226f7..95012fc 100644
--- a/test/helpers.jl
+++ b/test/helpers.jl
@@ -67,7 +67,7 @@ function testee(expr::Any, expected_references, expected_definitions, expected_f
     # Anonymous function are given a random name, which looks like anon67387237861123
     # To make testing easier, we rename all such functions to anon
     new_name(fn::FunctionName) = FunctionName(map(new_name, fn.parts)...)
-    new_name(sym::Symbol) = startswith(string(sym), "anon") ? :anon : sym
+    new_name(sym::Symbol) = startswith(string(sym), "__ExprExpl_anon__") ? :anon : sym
 
     result.assignments = Set(new_name.(result.assignments))
     result.funcdefs = let