diff --git a/package/ubuntu/configure b/package/ubuntu/configure
index 2fb4bc093..1a95499d1 100755
--- a/package/ubuntu/configure
+++ b/package/ubuntu/configure
@@ -1752,13 +1752,13 @@ PRE_BUILD_EXAMPLES="pre-build-examples"
 PRE_DEP="pre"
 if test $MACHINE = "x86_64"; then
    EXTN="amd64"
+elif test $MACHINE = "aarch64"; then
+   EXTN="arm64"
+elif test $MACHINE = "i686"; then
+   EXTN="i386"
 else
-   if test $MACHINE = "i686"; then
-     EXTN="i386"
-   else
      PRE_DEP=""
      PRE_BUILD_EXAMPLES=""
-   fi
 fi
 
 if  test -d $HOME/nDPI ; then
diff --git a/package/ubuntu/configure.in b/package/ubuntu/configure.in
index f3633914f..559df1c83 100644
--- a/package/ubuntu/configure.in
+++ b/package/ubuntu/configure.in
@@ -23,13 +23,13 @@ PRE_BUILD_EXAMPLES="pre-build-examples"
 PRE_DEP="pre"
 if test $MACHINE = "x86_64"; then
    EXTN="amd64"
+elif test $MACHINE = "aarch64"; then
+   EXTN="arm64"
+elif test $MACHINE = "i686"; then 
+   EXTN="i386"
 else
-   if test $MACHINE = "i686"; then 
-     EXTN="i386"
-   else
      PRE_DEP=""
      PRE_BUILD_EXAMPLES=""
-   fi
 fi
 
 if [ test -d $HOME/nDPI ]; then