diff --git a/libexec/syntax_suggest b/libexec/syntax_suggest
new file mode 100755
index 0000000000..e4a0b0b658
--- /dev/null
+++ b/libexec/syntax_suggest
@@ -0,0 +1,7 @@
+#!/usr/bin/env ruby
+
+require_relative "../lib/syntax_suggest/api"
+
+SyntaxSuggest::Cli.new(
+  argv: ARGV
+).call
diff --git a/spec/syntax_suggest/integration/exe_cli_spec.rb b/spec/syntax_suggest/integration/exe_cli_spec.rb
index 79e659a27a..f0b49b4386 100644
--- a/spec/syntax_suggest/integration/exe_cli_spec.rb
+++ b/spec/syntax_suggest/integration/exe_cli_spec.rb
@@ -5,7 +5,11 @@ require_relative "../spec_helper"
 module SyntaxSuggest
   RSpec.describe "exe" do
     def exe_path
-      root_dir.join("exe").join("syntax_suggest")
+      if ruby_core?
+        root_dir.join("../libexec").join("syntax_suggest")
+      else
+        root_dir.join("exe").join("syntax_suggest")
+      end
     end
 
     def exe(cmd)
diff --git a/spec/syntax_suggest/spec_helper.rb b/spec/syntax_suggest/spec_helper.rb
index 33f3ef3708..e78dee76bc 100644
--- a/spec/syntax_suggest/spec_helper.rb
+++ b/spec/syntax_suggest/spec_helper.rb
@@ -43,6 +43,10 @@ def fixtures_dir
   spec_dir.join("fixtures")
 end
 
+def ruby_core?
+  !root_dir.join("syntax_suggest.gemspec").exist?
+end
+
 def code_line_array(source)
   SyntaxSuggest::CleanDocument.new(source: source).call.lines
 end