diff --git a/mate-build-base.sh b/mate-build-base.sh
index ccd834c..9f27485 100755
--- a/mate-build-base.sh
+++ b/mate-build-base.sh
@@ -93,7 +93,7 @@ for dir in \
   # The real build starts here
   TMP=$TMP OUTPUT=$OUTPUT sh ${package}.SlackBuild || exit 1
   if [ "$INST" = "1" ]; then
-    PACKAGE=$(ls $OUTPUT/${package}-${version}-*-${build}*.txz 2>/dev/null)
+    PACKAGE=$(ls $OUTPUT/${package}-${version}-*-${build}*msb.txz 2>/dev/null)
     if [ -f "$PACKAGE" ]; then
       upgradepkg --install-new --reinstall "$PACKAGE"
     else
diff --git a/mate-build-deps.sh b/mate-build-deps.sh
index c8b3d97..73d25e8 100755
--- a/mate-build-deps.sh
+++ b/mate-build-deps.sh
@@ -88,7 +88,7 @@ for dir in \
   # The real build starts here
   TMP=$TMP OUTPUT=$OUTPUT sh ${package}.SlackBuild || exit 1
   if [ "$INST" = "1" ]; then
-    PACKAGE=$(ls $OUTPUT/${package}-${version}-*-${build}*.txz 2>/dev/null)
+    PACKAGE=$(ls $OUTPUT/${package}-${version}-*-${build}*msb.txz 2>/dev/null)
     if [ -f "$PACKAGE" ]; then
       upgradepkg --install-new --reinstall "$PACKAGE"
     else
diff --git a/mate-build-extra.sh b/mate-build-extra.sh
index 1f6ce11..ca58236 100755
--- a/mate-build-extra.sh
+++ b/mate-build-extra.sh
@@ -79,7 +79,7 @@ for dir in \
   # The real build starts here
   TMP=$TMP OUTPUT=$OUTPUT sh ${package}.SlackBuild || exit 1
   if [ "$INST" = "1" ]; then
-    PACKAGE=$(ls $OUTPUT/${package}-${version}-*-${build}*.txz 2>/dev/null)
+    PACKAGE=$(ls $OUTPUT/${package}-${version}-*-${build}*msb.txz 2>/dev/null)
     if [ -f "$PACKAGE" ]; then
       upgradepkg --install-new --reinstall "$PACKAGE"
     else
diff --git a/testing/mate-build-testing.sh b/testing/mate-build-testing.sh
index b584596..9e1b34f 100644
--- a/testing/mate-build-testing.sh
+++ b/testing/mate-build-testing.sh
@@ -74,7 +74,7 @@ for dir in \
   # The real build starts here
   sh ${package}.SlackBuild || exit 1
   if [ "$INST" = "1" ]; then
-    PACKAGE=`ls $TMP/${package}-${version}-*-${build}*.txz`
+    PACKAGE=`ls $TMP/${package}-${version}-*-${build}*msb.txz`
     if [ -f "$PACKAGE" ]; then
       upgradepkg --install-new --reinstall "$PACKAGE"
     else