diff --git a/tinymce-single/blocks/core/blockquote/register.js b/tinymce-single/blocks/core/blockquote/register.js
index e1e9b4aabcbf9..fb60a65bc25e9 100644
--- a/tinymce-single/blocks/core/blockquote/register.js
+++ b/tinymce-single/blocks/core/blockquote/register.js
@@ -37,7 +37,7 @@
 	function onDeselect( block ) {
 		var footer = block.querySelector( 'footer' );
 
-		if ( ! footer.textContent ) {
+		if ( footer && ! footer.textContent ) {
 			block.removeChild( footer );
 		}
 	}
diff --git a/tinymce-single/blocks/core/image/register.js b/tinymce-single/blocks/core/image/register.js
index 6b72d9cebb409..535edbe7c07f3 100644
--- a/tinymce-single/blocks/core/image/register.js
+++ b/tinymce-single/blocks/core/image/register.js
@@ -25,7 +25,7 @@
 	function onDeselect( block ) {
 		var figcaption = block.querySelector( 'figcaption' );
 
-		if ( ! figcaption.textContent ) {
+		if ( figcaption && ! figcaption.textContent ) {
 			block.removeChild( figcaption );
 		}
 	}
diff --git a/tinymce-single/blocks/core/table/register.js b/tinymce-single/blocks/core/table/register.js
index 077bf3b1b9f32..8a52cc1063d2c 100644
--- a/tinymce-single/blocks/core/table/register.js
+++ b/tinymce-single/blocks/core/table/register.js
@@ -29,7 +29,7 @@
 	function onDeselect( block ) {
 		var figcaption = block.querySelector( 'figcaption' );
 
-		if ( ! figcaption.textContent ) {
+		if ( figcaption && ! figcaption.textContent ) {
 			block.removeChild( figcaption );
 		}
 	}
diff --git a/tinymce-single/blocks/my-awesome-plugin/youtube/register.js b/tinymce-single/blocks/my-awesome-plugin/youtube/register.js
index 3daba68efe770..ba7243984cfdc 100644
--- a/tinymce-single/blocks/my-awesome-plugin/youtube/register.js
+++ b/tinymce-single/blocks/my-awesome-plugin/youtube/register.js
@@ -25,7 +25,7 @@
 	function onDeselect( block ) {
 		var figcaption = block.querySelector( 'figcaption' );
 
-		if ( ! figcaption.textContent ) {
+		if ( figcaption && ! figcaption.textContent ) {
 			block.removeChild( figcaption );
 		}
 	}