diff --git a/src/transliterate.h b/src/transliterate.h
index 739ce380..edd02394 100644
--- a/src/transliterate.h
+++ b/src/transliterate.h
@@ -94,7 +94,7 @@ typedef struct transliteration_table {
 #define EMPTY_TRANSITION_CHAR_LEN strlen(EMPTY_TRANSITION_CHAR)
 #define REPEAT_CHAR "\x05"
 #define REPEAT_CODEPOINT 5
-#define REPEAT_CHAR_LEN strlen(REPEAT_ZERO_CHAR)
+#define REPEAT_CHAR_LEN strlen(REPEAT_CHAR)
 #define GROUP_INDICATOR_CHAR "\x06"
 #define GROUP_INDICATOR_CODEPOINT 6
 #define GROUP_INDICATOR_CHAR_LEN strlen(GROUP_INDICATOR_CHAR)