diff --git a/sk1/compressor.c b/sk1/compressor.c
index 3fe75c0..24a4d58 100644
--- a/sk1/compressor.c
+++ b/sk1/compressor.c
@@ -35,7 +35,7 @@ int write_file(const char* filename, const unsigned char* data, size_t size) {
 }
 
 // RLE
-int compress_2(const char* input_file_name, const char* output_file_name) {
+int compress_1(const char* input_file_name, const char* output_file_name) {
     size_t size;
     unsigned char* data;
     if (read_file(input_file_name, &data, &size) != 0) return -1;
@@ -62,7 +62,7 @@ int compress_2(const char* input_file_name, const char* output_file_name) {
     free(data);
     return 0;
 }
-int decompress_2(const char* input_file_name, const char* output_file_name) {
+int decompress_1(const char* input_file_name, const char* output_file_name) {
     size_t size;
     unsigned char* data;
     if (read_file(input_file_name, &data, &size) != 0) return -1;
@@ -89,7 +89,7 @@ int decompress_2(const char* input_file_name, const char* output_file_name) {
     return result == 0 ? 0 : -1;
 }
 // LZ78
-int compress_1(const char* input_file_name, const char* output_file_name) {
+int compress_2(const char* input_file_name, const char* output_file_name) {
     unsigned char* data;
     size_t size;
     if (read_file(input_file_name, &data, &size) != 0) {
@@ -156,7 +156,7 @@ int compress_1(const char* input_file_name, const char* output_file_name) {
     return 0;
 }
 
-int decompress_1(const char* input_file_name, const char* output_file_name) {
+int decompress_2(const char* input_file_name, const char* output_file_name) {
     unsigned char* data;
     size_t size;
     if (read_file(input_file_name, &data, &size) != 0) {