diff --git a/ext/standard/metaphone.c b/ext/standard/metaphone.c
index d3b1960b554..bf66a79b86b 100644
--- a/ext/standard/metaphone.c
+++ b/ext/standard/metaphone.c
@@ -421,7 +421,7 @@ static int metaphone(unsigned char *word, int word_len, long max_phonemes, char
 			} else if (Next_Letter == 'H') {
 				Phonize(TH);
 				skip_letter++;
-			} else {
+			} else if (!(Next_Letter == 'C' && After_Next_Letter == 'H')) {
 				Phonize('T');
 			}
 			break;