diff --git a/CMakeLists.txt b/CMakeLists.txt
index 91f49d1..471658c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -16,8 +16,9 @@ add_executable(info2Praktikum_Wortsalat
         Start_Windows/graphicalGame.c
         Start_Windows/input.c
         Start_Windows/main.c
-       # Start_Windows/unity/unity.c
-)
+        Start_Windows/unity/unity.c
+        Start_Windows/unit_tests.c
+        )
 
 # Link static libraries
 target_link_libraries(info2Praktikum_Wortsalat
diff --git a/Start_Windows/input.c b/Start_Windows/input.c
index 6fc4a26..15810eb 100644
--- a/Start_Windows/input.c
+++ b/Start_Windows/input.c
@@ -24,13 +24,15 @@ int readWords(FILE* file, char words[][MAX_WORD_LEN], unsigned int maxWordCount)
         }
         shouldClose = 1;
     }
-    while (fgets(words[count], MAX_WORD_LEN, file) != NULL && count < maxWordCount)
+    char line[MAX_LINE_LEN];
+    while (fgets(line, sizeof(line), file) != NULL && count < maxWordCount)
     {
-        char* token = strtok(words[count], delimiter);
+        char *token = strtok(line, delimiter);
         while (token != NULL && count < maxWordCount)
         {
-            for (char* p = token; *p; ++p)
+            for (char *p = token; *p; ++p)
                 *p = (char)toupper((unsigned char)*p);
+
             strncpy(words[count], token, MAX_WORD_LEN - 1);
             words[count][MAX_WORD_LEN - 1] = '\0';
             count++;