diff --git a/ruby-qt.spec b/ruby-qt.spec
index 5bcbaf9..08bb555 100644
--- a/ruby-qt.spec
+++ b/ruby-qt.spec
@@ -1,10 +1,15 @@
 %global ruby_sitelib %(ruby -rrbconfig -e 'puts Config::CONFIG["sitelibdir"]')
 %global ruby_sitearch %(ruby -rrbconfig -e 'puts Config::CONFIG["sitearchdir"]')
+%if 0%{?fedora} > 16
+%global ruby_abi 1.9.1
+%else
+%global ruby_abi 1.8
+%endif
 
 Summary: Ruby bindings for Qt 4
 Name:    ruby-qt
 Version: 4.8.0
-Release: 1%{?dist}
+Release: 2%{?dist}
 
 License: LGPLv2+
 Group:   Development/Languages
@@ -34,7 +39,7 @@ Provides: ruby(qt) = %{version}
 Provides: qtruby = %{version}-%{release}
 Provides: qtruby%{?_isa} = %{version}-%{release}
 
-Requires: ruby(abi) = 1.8
+%{?ruby_abi:Requires: ruby(abi) = %{ruby_abi}}
 %{?_qt4:Requires: qt4%{?_isa} >= %{_qt4_version}}
 Requires: smokeqt%{?_isa} >= %{version}
 
@@ -120,6 +125,9 @@ rm -rf %{buildroot}
 
 
 %changelog 
+* Tue Feb 07 2012 Rex Dieter <rdieter@fedoraproject.org> 4.8.0-2
+- rebuild for ruby-1.9.x (f17)
+
 * Sun Jan 22 2012 Rex Dieter <rdieter@fedoraproject.org> - 4.8.0-1
 - 4.8.0