--- doc/install/linux/install.pl	2020/05/01 18:29:56	1.64
+++ doc/install/linux/install.pl	2020/05/01 19:02:51	1.65
@@ -77,7 +77,7 @@ if (!open(LOG,">>loncapa_install.log"))
           &mt('Stopping execution.')."\n";
     exit;
 } else {
-    print LOG '$Id: install.pl,v 1.64 2020/05/01 18:29:56 raeburn Exp $'."\n";
+    print LOG '$Id: install.pl,v 1.65 2020/05/01 19:02:51 raeburn Exp $'."\n";
 }
 
 #
@@ -2582,7 +2582,7 @@ sub get_mysql_version {
         my $info = <PIPE>;
         chomp($info);
         close(PIPE);
-        ($version,$subversion,$name) = ($info =~ /(\d+\.\d+)\.(\d+)\-?(\w*),/);
+        ($version,$subversion,$name) = ($info =~ /(\d+\.\d+)\.(\d+)(?:\-?(\w*),|)/);
     } else {
         print &mt('Could not determine which version of MySQL is installed.').
               "\n";
@@ -3217,7 +3217,7 @@ sub copy_apache2_debconf {
                         unless ($diffres) {
                             $skipsite = 1;
                         }
-                    } 
+                    }
                 }
             }
         }