diff --git a/src/disk.c b/src/disk.c
index 27ea0f7..fad1aaa 100644
--- a/src/disk.c
+++ b/src/disk.c
@@ -16,7 +16,7 @@ disk_controller_t disk_controller;
 extern fox32_vm_t vm;
 
 void new_disk(const char *filename, size_t id) {
-    if (id > 3) { puts("attempting to access disk with ID > 3\n"); return; }
+    if (id > 3) { puts("attempting to access disk with ID > 3"); return; }
     printf("mounting %s as disk ID %d\n", filename, (int) id);
     disk_controller.disks[id].file = fopen(filename, "r+b");
     if (!disk_controller.disks[id].file) {
@@ -29,35 +29,35 @@ void new_disk(const char *filename, size_t id) {
 }
 
 void insert_disk(disk_t disk, size_t id) {
-    if (id > 3) { puts("attempting to access disk with ID > 3\n"); return; }
+    if (id > 3) { puts("attempting to access disk with ID > 3"); return; }
     if (disk_controller.disks[id].size > 0) remove_disk(id);
     printf("mounting disk ID %d\n", (int) id);
     disk_controller.disks[id] = disk;
 }
 
 void remove_disk(size_t id) {
-    if (id > 3) { puts("attempting to access disk with ID > 3\n"); return; }
+    if (id > 3) { puts("attempting to access disk with ID > 3"); return; }
     printf("unmounting disk ID %d\n", (int) id);
     fclose(disk_controller.disks[id].file);
     disk_controller.disks[id].size = 0;
 }
 
 uint64_t get_disk_size(size_t id) {
-    if (id > 3) { puts("attempting to access disk with ID > 3\n"); return 0; }
+    if (id > 3) { puts("attempting to access disk with ID > 3"); return 0; }
     return disk_controller.disks[id].size;
 }
 
 void set_disk_sector(size_t id, uint64_t sector) {
-    if (id > 3) { puts("attempting to access disk with ID > 3\n"); return; }
+    if (id > 3) { puts("attempting to access disk with ID > 3"); return; }
     fseek(disk_controller.disks[id].file, sector * 512, 0);
 }
 
 size_t read_disk_into_memory(size_t id) {
-    if (id > 3) { puts("attempting to access disk with ID > 3\n"); return 0; }
+    if (id > 3) { puts("attempting to access disk with ID > 3"); return 0; }
     return fread(&vm.memory_ram[disk_controller.buffer_pointer], 1, 512, disk_controller.disks[id].file);
 }
 
 size_t write_disk_from_memory(size_t id) {
-    if (id > 3) { puts("attempting to access disk with ID > 3\n"); return 0; }
+    if (id > 3) { puts("attempting to access disk with ID > 3"); return 0; }
     return fwrite(&vm.memory_ram[disk_controller.buffer_pointer], 1, 512, disk_controller.disks[id].file);
 }