diff --git a/haiku-apps/midisynth/midisynth-1.8.0.recipe b/haiku-apps/midisynth/midisynth-1.8.1.recipe
similarity index 86%
rename from haiku-apps/midisynth/midisynth-1.8.0.recipe
rename to haiku-apps/midisynth/midisynth-1.8.1.recipe
index a26083d8a..3f8159562 100644
--- a/haiku-apps/midisynth/midisynth-1.8.0.recipe
+++ b/haiku-apps/midisynth/midisynth-1.8.1.recipe
@@ -17,11 +17,12 @@ COPYRIGHT="2000-2013 Michael Pfeiffer
 LICENSE="GNU GPL v2"
 REVISION="1"
 SOURCE_URI="$HOMEPAGE/archive/v$portVersion.tar.gz"
-CHECKSUM_SHA256="3c84239502defc4367eb1c83e12374753aa636ccf8ad4778a96e61f6204e1d99"
+CHECKSUM_SHA256="f789243eb047b7b09ca07bd085e01ec0a6b89ff7e6360a6d485ef7594cad5a69"
 SOURCE_DIR="MidiSynth-$portVersion"
 ADDITIONAL_FILES="midisynth_install_chord_keymapping.sh"
 
-ARCHITECTURES="x86_gcc2 x86_64"
+ARCHITECTURES="x86_64"
+SECONDARY_ARCHITECTURES="x86"
 
 USER_SETTINGS_FILES="settings/MidiSynth/KeyMappings directory
 	settings/MidiSynth/KeyMappings/Default template data/MidiSynth/KeyMappings/Default
@@ -30,19 +31,19 @@ USER_SETTINGS_FILES="settings/MidiSynth/KeyMappings directory
 POST_INSTALL_SCRIPTS="$relativePostInstallDir/midisynth_install_chord_keymapping.sh"
 
 PROVIDES="
-	midisynth = $portVersion
+	midisynth$secondaryArchSuffix = $portVersion
 	app:MidiSynth = $portVersion
 	"
 REQUIRES="
-	haiku
+	haiku$secondaryArchSuffix
 	"
 
 BUILD_REQUIRES="
-	haiku_devel
+	haiku${secondaryArchSuffix}_devel
 	"
 BUILD_PREREQUIRES="
 	makefile_engine
-	cmd:g++
+	cmd:g++$secondaryArchSuffix
 	cmd:make
 	"