diff --git a/sml/include/sml/sml_shared.h b/sml/include/sml/sml_shared.h
index c1f5234..23a81c1 100644
--- a/sml/include/sml/sml_shared.h
+++ b/sml/include/sml/sml_shared.h
@@ -102,8 +102,8 @@ void sml_buf_optional_write(sml_buffer *buf);
 void sml_buf_update_bytes_read(sml_buffer *buf, int bytes);
 
 // Checks if the next field is a skipped optional field, updates the buffer accordingly
-int mc_sml_is_optional_skipped(sml_buffer *buf);
-#define SML_SKIP_OPTIONAL (mc_sml_is_optional_skipped(buf)) ? 0 :
+int sml_buf_optional_is_skipped(sml_buffer *buf);
+#define SML_SKIP_OPTIONAL (sml_buf_optional_is_skipped(buf)) ? 0 :
 
 void hexdump(unsigned char *buffer, size_t buffer_len);
 
diff --git a/sml/src/sml_shared.c b/sml/src/sml_shared.c
index 879cc7d..e6c2b12 100644
--- a/sml/src/sml_shared.c
+++ b/sml/src/sml_shared.c
@@ -121,7 +121,7 @@ void sml_buffer_free(sml_buffer *buf) {
     }
 }
 
-int mc_sml_is_optional_skipped(sml_buffer *buf) {
+int sml_buf_optional_is_skipped(sml_buffer *buf) {
 	if (sml_buf_get_current_byte(buf) == SML_OPTIONAL_SKIPPED) {
 		sml_buf_update_bytes_read(buf, 1);
 		return 1;