diff --git a/src/Raetsel_I_Zug_schachmat/Raetsel_I_.c b/src/schach_in_ein_puzzle/PuzzleI.c
similarity index 100%
rename from src/Raetsel_I_Zug_schachmat/Raetsel_I_.c
rename to src/schach_in_ein_puzzle/PuzzleI.c
diff --git a/src/Raetsel_I_Zug_schachmat/Raetsel_I_.h b/src/schach_in_ein_puzzle/PuzzleI.h
similarity index 63%
rename from src/Raetsel_I_Zug_schachmat/Raetsel_I_.h
rename to src/schach_in_ein_puzzle/PuzzleI.h
index 6a87b12..867c5cd 100644
--- a/src/Raetsel_I_Zug_schachmat/Raetsel_I_.h
+++ b/src/schach_in_ein_puzzle/PuzzleI.h
@@ -1,9 +1,9 @@
-#ifndef PUZZLE_H
-#define PUZZLE_H
+#ifndef PUZZLEI_H
+#define PUZZLEI_H
 
 #include <stdbool.h>
 
 char** Puzzlebrett_erstellen();
 void print_Puzzlebrett(char** Brett);
 
-#endif // PUZZLE_H
\ No newline at end of file
+#endif // PUZZLEI_H
\ No newline at end of file