diff --git a/lib/node_modules/@stdlib/string/prev-grapheme-cluster-break/lib/main.js b/lib/node_modules/@stdlib/string/prev-grapheme-cluster-break/lib/main.js
index 5395038e6e4c..aeeec3ddbe5b 100644
--- a/lib/node_modules/@stdlib/string/prev-grapheme-cluster-break/lib/main.js
+++ b/lib/node_modules/@stdlib/string/prev-grapheme-cluster-break/lib/main.js
@@ -99,7 +99,9 @@ function prevGraphemeClusterBreak( str, fromIndex ) {
 
 	// Get the corresponding grapheme break and emoji properties:
 	breaks.push( breakProperty( cp ) );
-	emoji.push( emojiProperty( cp ) );
+	if (!(cp >= 0x1F3FB && cp <= 0x1F3FF)) { // Check if the character is not a skin tone modifier
+		emoji.push( emojiProperty( cp ) );
+	}
 
 	ans = -1;
 	for ( i = 1; i <= idx; i++ ) {
@@ -114,7 +116,9 @@ function prevGraphemeClusterBreak( str, fromIndex ) {
 
 		// Get the corresponding grapheme break and emoji properties:
 		breaks.push( breakProperty( cp ) );
-		emoji.push( emojiProperty( cp ) );
+		if (!(cp >= 0x1F3FB && cp <= 0x1F3FF)) { // Check if the character is not a skin tone modifier
+			emoji.push( emojiProperty( cp ) );
+		}
 
 		// Determine if we've encountered a grapheme cluster break...
 		if ( breakType( breaks, emoji ) > 0 ) {