diff --git a/install.php b/install.php
index d4f2699b825..4a4896ad0f1 100644
--- a/install.php
+++ b/install.php
@@ -415,7 +415,7 @@ if ($config->stage == INSTALL_DATABASE) {
 
     $disabled = empty($distro->dbhost) ? '' : 'disabled="disabled';
     echo '<div class="formrow"><label for="id_dbhost" class="formlabel">'.$strdbhost.'</label>';
-    echo '<input id="id_dbhost" name="dbhost" '.$disabled.' type="text" value="'.s($config->dbhost).'" size="30" class="forminput" />';
+    echo '<input id="id_dbhost" name="dbhost" '.$disabled.' type="text" value="'.s($config->dbhost).'" size="50" class="forminput" />';
     echo '</div>';
 
     echo '<div class="formrow"><label for="id_dbname" class="formlabel">'.$strdbname.'</label>';
@@ -552,15 +552,15 @@ if ($config->stage == INSTALL_PATHS) {
 
     echo '<div class="userinput">';
     echo '<div class="formrow"><label for="id_wwwroot" class="formlabel">'.$paths['wwwroot'].'</label>';
-    echo '<input id="id_wwwroot" name="wwwroot" type="text" value="'.s($CFG->wwwroot).'" disabled="disabled" size="45" class="forminput" />';
+    echo '<input id="id_wwwroot" name="wwwroot" type="text" value="'.s($CFG->wwwroot).'" disabled="disabled" size="70" class="forminput" />';
     echo '</div>';
 
     echo '<div class="formrow"><label for="id_dirroot" class="formlabel">'.$paths['dirroot'].'</label>';
-    echo '<input id="id_dirroot" name="dirroot" type="text" value="'.s($CFG->dirroot).'" disabled="disabled" size="45"class="forminput" />';
+    echo '<input id="id_dirroot" name="dirroot" type="text" value="'.s($CFG->dirroot).'" disabled="disabled" size="70"class="forminput" />';
     echo '</div>';
 
     echo '<div class="formrow"><label for="id_dataroot" class="formlabel">'.$paths['dataroot'].'</label>';
-    echo '<input id="id_dataroot" name="dataroot" type="text" value="'.s($config->dataroot).'" size="45" class="forminput" />';
+    echo '<input id="id_dataroot" name="dataroot" type="text" value="'.s($config->dataroot).'" size="70" class="forminput" />';
     if ($hint_dataroot !== '') {
         echo '<div class="hint">'.$hint_dataroot.'</div>';
     }