diff --git a/haxe.spec b/haxe.spec
index 8a8bfdd..53f8a18 100644
--- a/haxe.spec
+++ b/haxe.spec
@@ -3,7 +3,7 @@
 
 Name:           haxe
 Version:        4.0.5
-Release:        4%{?dist}
+Release:        5%{?dist}
 Summary:        Multi-target universal programming language
 
 # As described in https://haxe.org/foundation/open-source.html:
@@ -33,6 +33,7 @@ BuildRequires:  ocaml-xml-light-devel
 BuildRequires:  ocaml-extlib-devel
 BuildRequires:  ocaml-ptmap-devel
 BuildRequires:  ocaml-sha-devel
+BuildRequires:  ocaml-gen-devel
 BuildRequires:  zlib-devel
 BuildRequires:  pcre-devel
 BuildRequires:  cmake
@@ -64,7 +65,11 @@ pushd extra/haxelib_src/hx3compat && tar -xf %{SOURCE2} --strip-components=1 && 
 
 # Check to see if ocamlopt exists. If not, bytecompile everything.
 # It is because ocamlopt may be missing in some architectures.
-command -v ocamlopt && make libs haxe || make libs haxe BYTECODE=1
+if [ -x "$(command -v ocamlopt)" ]; then
+    make libs haxe
+else
+    make libs haxe BYTECODE=1
+fi
 
 # Compile haxelib
 pushd extra/haxelib_src && %cmake . && %make_build && popd
@@ -89,6 +94,8 @@ help2man ./haxelib --help-option=help --version-option=version --no-info --outpu
 %{buildroot}%{_bindir}/haxe -version
 %{buildroot}%{_bindir}/haxelib version
 
+%{buildroot}%{_bindir}/haxe -v Std
+
 %files
 %doc README.md
 %license extra/LICENSE.txt
@@ -103,6 +110,11 @@ help2man ./haxelib --help-option=help --version-option=version --no-info --outpu
 %{_datadir}/%{name}/
 
 %changelog
+* Tue Mar 31 2020 Andy Li <andy@onthewings.net> - 4.0.5-5
+- Fix build command to avoid accidentially building to OCaml bytecode.
+- Add test that runs the Haxe compiler.
+- Add missing BuildRequires: ocaml-gen-devel.
+
 * Sun Mar 08 2020 Richard W.M. Jones <rjones@redhat.com> - 4.0.5-4
 - Bump and rebuild for camlp5 7.11.