diff --git a/pkgmngt/packInstall.sh.dpkg b/pkgmngt/packInstall.sh.dpkg
index 70547d9..02d3b74 100644
--- a/pkgmngt/packInstall.sh.dpkg
+++ b/pkgmngt/packInstall.sh.dpkg
@@ -6,7 +6,7 @@ packInstall() {
 
 local PCKGVRS=$(basename $PKGDIR)
 local TGTPKG=$(basename $PKG_DEST)
-local PACKAGE=$(echo ${TGTPKG} | sed 's/^[0-9]\{3\}-//' |
+local PACKAGE=$(echo ${TGTPKG} | sed 's/^[0-9]\{3,4\}-//' |
            sed 's/^[0-9]\{2\}-//')
 case $PCKGVRS in
   expect*|tcl*) local VERSION=$(echo $PCKGVRS | sed 's/^[^0-9]*//') ;;
diff --git a/pkgmngt/packInstall.sh.porg b/pkgmngt/packInstall.sh.porg
index 2e0d0ff..46b1223 100644
--- a/pkgmngt/packInstall.sh.porg
+++ b/pkgmngt/packInstall.sh.porg
@@ -107,7 +107,7 @@ wrapInstall() {
 # but it does not hurt, either.
 local PCKGVRS=$(basename $PKGDIR)
 local TGTPKG=$(basename $PKG_DEST)
-local PACKAGE=$(echo ${TGTPKG} | sed 's/^[0-9]\{3\}-//' |
+local PACKAGE=$(echo ${TGTPKG} | sed 's/^[0-9]\{3,4\}-//' |
            sed 's/^[0-9]\{2\}-//')
 # Porg converts package names to lowercase anyway, so do the conversion
 # ourselves
@@ -126,7 +126,7 @@ packInstall() {
 
 # With porg, we need only the package name to make the tarball
 local TGTPKG=$(basename $PKG_DEST)
-local PACKAGE=$(echo ${TGTPKG} | sed 's/^[0-9]\{3\}-//' |
+local PACKAGE=$(echo ${TGTPKG} | sed 's/^[0-9]\{3,4\}-//' |
            sed 's/^[0-9]\{1\}-//')
 local PCKGVRS=$(basename $PKGDIR)
 # Porg converts package names to lowercase anyway, so do the conversion
diff --git a/pkgmngt/packInstall.sh.template b/pkgmngt/packInstall.sh.template
index 866e055..16f8941 100644
--- a/pkgmngt/packInstall.sh.template
+++ b/pkgmngt/packInstall.sh.template
@@ -8,7 +8,7 @@ packInstall() {
 # A proposed implementation for versions and package names.
 local PCKGVRS=$(basename $PKGDIR)
 local TGTPKG=$(basename $PKG_DEST)
-local PACKAGE=$(echo ${TGTPKG} | sed 's/^[0-9]\{3\}-//' |
+local PACKAGE=$(echo ${TGTPKG} | sed 's/^[0-9]\{3,4\}-//' |
            sed 's/^[0-9]\{2\}-//')
 # version is only accessible from PKGDIR name. Since the format of the
 # name is not normalized, several hacks are necessary...