diff --git a/src/TerminalObject/Basic/Table.php b/src/TerminalObject/Basic/Table.php
index 6160eb4..1d5e28b 100644
--- a/src/TerminalObject/Basic/Table.php
+++ b/src/TerminalObject/Basic/Table.php
@@ -110,7 +110,7 @@ private function splitRows($data)
             $height = 1;
             $lines = [];
             foreach ($row as $key => $column) {
-                $lines[$key] = preg_split('/(\r\n|\r|\n)/u', $column);
+                $lines[$key] = preg_split('/(\r\n|\r|\n)/u', (string) $column);
                 $height = max($height, count($lines[$key]));
             }
             $keys = array_keys($row);
diff --git a/src/TerminalObject/Dynamic/Progress.php b/src/TerminalObject/Dynamic/Progress.php
index 73516c8..a860b76 100644
--- a/src/TerminalObject/Dynamic/Progress.php
+++ b/src/TerminalObject/Dynamic/Progress.php
@@ -4,6 +4,9 @@
 
 use League\CLImate\Exceptions\UnexpectedValueException;
 
+use function is_string;
+use function strlen;
+
 class Progress extends DynamicTerminalObject
 {
     /**
@@ -234,7 +237,7 @@ protected function getProgressBar($current, $label)
         $progress_bar .= $this->getProgressBarStr($current, $label);
 
         // If this line has a label then set that this progress bar has a label line
-        if (strlen($label) > 0) {
+        if (is_string($label) && strlen($label) > 0) {
             $this->has_label_line = true;
         }
 
diff --git a/src/TerminalObject/Helper/StringLength.php b/src/TerminalObject/Helper/StringLength.php
index 59751fd..7330258 100644
--- a/src/TerminalObject/Helper/StringLength.php
+++ b/src/TerminalObject/Helper/StringLength.php
@@ -47,7 +47,7 @@ protected function withoutTags($str)
     {
         $this->setIgnoreTags();
 
-        return str_replace($this->ignore_tags, '', $str);
+        return str_replace($this->ignore_tags, '', (string) $str);
     }
 
     /**
diff --git a/tests/TableTest.php b/tests/TableTest.php
index 538db03..31d65ca 100644
--- a/tests/TableTest.php
+++ b/tests/TableTest.php
@@ -274,4 +274,25 @@ public function testTableWithMultipleNewlines()
                 ],
         ]);
     }
+
+
+    /**
+     * @doesNotPerformAssertions
+     */
+    public function testTableWithNullAndEmptyValues()
+    {
+        $this->shouldWrite("\e[m------------------\e[0m");
+        $this->shouldWrite("\e[m| Cell 1 |   |   |\e[0m");
+        $this->shouldWrite("\e[m------------------\e[0m");
+
+        $this->shouldHavePersisted();
+
+        $this->cli->table([
+            [
+                'Cell 1',
+                null,
+                ''
+            ],
+        ]);
+    }
 }