diff --git a/.gitignore b/.gitignore
index e93901e..24e0701 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,4 @@
 /synthv1-0.3.4.tar.gz
 /synthv1-0.3.5.tar.gz
 /synthv1-0.3.6.tar.gz
+/synthv1-0.4.1.tar.gz
diff --git a/sources b/sources
index 18eccc9..f72dd4e 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-f25832fc0f3e269f6e251e914da06451  synthv1-0.3.6.tar.gz
+848413db4318819fd9fe8e0274845285  synthv1-0.4.1.tar.gz
diff --git a/synthv1-64bitarchs.patch b/synthv1-64bitarchs.patch
deleted file mode 100644
index 3bae03e..0000000
--- a/synthv1-64bitarchs.patch
+++ /dev/null
@@ -1,20 +0,0 @@
-diff -up synthv1-0.3.0/src/src_lv2.pro.64bitarchs synthv1-0.3.0/src/src_lv2.pro
---- synthv1-0.3.0/src/src_lv2.pro.64bitarchs	2013-02-22 23:07:22.254606117 +0100
-+++ synthv1-0.3.0/src/src_lv2.pro	2013-02-22 23:11:34.421606876 +0100
-@@ -62,7 +62,15 @@ unix {
- 		contains(ARCH, x86_64) {
- 			LV2DIR = $${PREFIX}/lib64/lv2
- 		} else {
--			LV2DIR = $${PREFIX}/lib/lv2
-+			contains(ARCH, s390x) {
-+				LV2DIR = $${PREFIX}/lib64/lv2
-+			} else {
-+				contains(ARCH, ppc64) {
-+					LV2DIR = $${PREFIX}/lib64/lv2
-+			       } else {
-+					LV2DIR = $${PREFIX}/lib/lv2
-+				}
-+			}
- 		}
- 	}
- 
diff --git a/synthv1.spec b/synthv1.spec
index 2d640c1..37e4f39 100644
--- a/synthv1.spec
+++ b/synthv1.spec
@@ -1,10 +1,9 @@
 Summary:       A 4-oscillator subtractive polyphonic synthesizer
 Name:          synthv1
-Version:       0.3.6
+Version:       0.4.1
 Release:       1%{?dist}
 URL:           http://sourceforge.net/projects/%{name}
 Source0:       http://downloads.sourceforge.net/project/%{name}/0.1.0/%{name}-%{version}.tar.gz
-Patch0:        synthv1-64bitarchs.patch
 License:       GPLv2+
 Group:         Applications/Multimedia
 Requires:      hicolor-icon-theme
@@ -31,9 +30,9 @@ An LV2 plugin of the synthv1 subtractive synthesizer
 %setup -q 
 sed -i -e 's|-msse -mfpmath=sse -ffast-math|%{optflags} -fPIC|' synthv1_lv2.pro
 sed -i -e 's|-msse -mfpmath=sse -ffast-math|%{optflags} -fPIC|' synthv1_jack.pro
-%patch0 -p1 -b .64bitarchs
 
 %build
+export QTDIR=%{_qt4_prefix}
 %configure 
 make %{?_smp_mflags}
 
@@ -69,6 +68,9 @@ fi
 %{_libdir}/lv2/%{name}.lv2/
 
 %changelog
+* Sat Apr 12 2014 Brendan Jones <brendan.jones.it@gmail.com> 0.4.1-1
+- Update to 0.4.1
+
 * Sat Jan 11 2014 Brendan Jones <brendan.jones.it@gmail.com> 0.3.6-1
 - Update to 0.3.6