diff --git a/btrfs-corrupt-block.c b/btrfs-corrupt-block.c
index 1a2aa23..ea871f4 100644
--- a/btrfs-corrupt-block.c
+++ b/btrfs-corrupt-block.c
@@ -1010,7 +1010,7 @@ int find_chunk_offset(struct btrfs_root *root,
 		goto out;
 	}
 	if (ret < 0) {
-		fprintf(stderr, "Error searching chunk");
+		fprintf(stderr, "Error searching chunk\n");
 		goto out;
 	}
 out:
diff --git a/cmds-check.c b/cmds-check.c
index 50bb6f3..d0ffc94 100644
--- a/cmds-check.c
+++ b/cmds-check.c
@@ -2399,7 +2399,7 @@ static int repair_inode_nlinks(struct btrfs_trans_handle *trans,
 				  BTRFS_FIRST_FREE_OBJECTID, &lost_found_ino,
 				  mode);
 		if (ret < 0) {
-			fprintf(stderr, "Failed to create '%s' dir: %s",
+			fprintf(stderr, "Failed to create '%s' dir: %s\n",
 				dir_name, strerror(-ret));
 			goto out;
 		}
@@ -2427,7 +2427,7 @@ static int repair_inode_nlinks(struct btrfs_trans_handle *trans,
 		}
 		if (ret < 0) {
 			fprintf(stderr,
-				"Failed to link the inode %llu to %s dir: %s",
+				"Failed to link the inode %llu to %s dir: %s\n",
 				rec->ino, dir_name, strerror(-ret));
 			goto out;
 		}
diff --git a/cmds-send.c b/cmds-send.c
index a0b7f95..6f2f340 100644
--- a/cmds-send.c
+++ b/cmds-send.c
@@ -193,13 +193,13 @@ static int write_buf(int fd, const void *buf, int size)
 		ret = write(fd, (char*)buf + pos, size - pos);
 		if (ret < 0) {
 			ret = -errno;
-			fprintf(stderr, "ERROR: failed to dump stream. %s",
+			fprintf(stderr, "ERROR: failed to dump stream. %s\n",
 					strerror(-ret));
 			goto out;
 		}
 		if (!ret) {
 			ret = -EIO;
-			fprintf(stderr, "ERROR: failed to dump stream. %s",
+			fprintf(stderr, "ERROR: failed to dump stream. %s\n",
 					strerror(-ret));
 			goto out;
 		}
diff --git a/dir-item.c b/dir-item.c
index a5bf861..f3ad98f 100644
--- a/dir-item.c
+++ b/dir-item.c
@@ -285,7 +285,7 @@ int verify_dir_item(struct btrfs_root *root,
 	u8 type = btrfs_dir_type(leaf, dir_item);
 
 	if (type >= BTRFS_FT_MAX) {
-		fprintf(stderr, "invalid dir item type: %d",
+		fprintf(stderr, "invalid dir item type: %d\n",
 		       (int)type);
 		return 1;
 	}
@@ -294,7 +294,7 @@ int verify_dir_item(struct btrfs_root *root,
 		namelen = XATTR_NAME_MAX;
 
 	if (btrfs_dir_name_len(leaf, dir_item) > namelen) {
-		fprintf(stderr, "invalid dir item name len: %u",
+		fprintf(stderr, "invalid dir item name len: %u\n",
 		       (unsigned)btrfs_dir_data_len(leaf, dir_item));
 		return 1;
 	}
@@ -302,7 +302,7 @@ int verify_dir_item(struct btrfs_root *root,
 	/* BTRFS_MAX_XATTR_SIZE is the same for all dir items */
 	if ((btrfs_dir_data_len(leaf, dir_item) +
 	     btrfs_dir_name_len(leaf, dir_item)) > BTRFS_MAX_XATTR_SIZE(root)) {
-		fprintf(stderr, "invalid dir item name + data len: %u + %u",
+		fprintf(stderr, "invalid dir item name + data len: %u + %u\n",
 		       (unsigned)btrfs_dir_name_len(leaf, dir_item),
 		       (unsigned)btrfs_dir_data_len(leaf, dir_item));
 		return 1;
diff --git a/free-space-cache.c b/free-space-cache.c
index 67f00fd..19ab0c9 100644
--- a/free-space-cache.c
+++ b/free-space-cache.c
@@ -107,7 +107,8 @@ static int io_ctl_prepare_pages(struct io_ctl *io_ctl, struct btrfs_root *root,
 
 	ret = btrfs_search_slot(NULL, root, &key, path, 0, 0);
 	if (ret) {
-		printf("Couldn't find file extent item for free space inode"
+		fprintf(stderr,
+		       "Couldn't find file extent item for free space inode"
 		       " %Lu\n", ino);
 		btrfs_release_path(path);
 		return -EINVAL;
@@ -138,7 +139,7 @@ static int io_ctl_prepare_pages(struct io_ctl *io_ctl, struct btrfs_root *root,
 				    struct btrfs_file_extent_item);
 		if (btrfs_file_extent_type(path->nodes[0], fi) !=
 		    BTRFS_FILE_EXTENT_REG) {
-			printf("Not the file extent type we wanted\n");
+			fprintf(stderr, "Not the file extent type we wanted\n");
 			ret = -EINVAL;
 			break;
 		}
@@ -307,7 +308,7 @@ static int __load_free_space_cache(struct btrfs_root *root,
 
 	ret = btrfs_search_slot(NULL, root, &inode_location, path, 0, 0);
 	if (ret) {
-		printf("Couldn't find free space inode %d\n", ret);
+		fprintf(stderr, "Couldn't find free space inode %d\n", ret);
 		return 0;
 	}
 
@@ -322,7 +323,8 @@ static int __load_free_space_cache(struct btrfs_root *root,
 	}
 
 	if (btrfs_inode_generation(leaf, inode_item) != generation) {
-		printf("free space inode generation (%llu) did not match "
+		fprintf(stderr,
+		       "free space inode generation (%llu) did not match "
 		       "free space cache generation (%llu)\n",
 		       (unsigned long long)btrfs_inode_generation(leaf,
 								  inode_item),
@@ -372,7 +374,8 @@ static int __load_free_space_cache(struct btrfs_root *root,
 		if (type == BTRFS_FREE_SPACE_EXTENT) {
 			ret = link_free_space(ctl, e);
 			if (ret) {
-				printf("Duplicate entries in free space cache, dumping");
+				fprintf(stderr,
+				       "Duplicate entries in free space cache\n");
 				free(e);
 				goto free_cache;
 			}
@@ -387,7 +390,8 @@ static int __load_free_space_cache(struct btrfs_root *root,
 			ret = link_free_space(ctl, e);
 			ctl->total_bitmaps++;
 			if (ret) {
-				printf("Duplicate entries in free space cache, dumping");
+				fprintf(stderr,
+				       "Duplicate entries in free space cache\n");
 				free(e->bitmap);
 				free(e);
 				goto free_cache;
@@ -444,7 +448,8 @@ int load_free_space_cache(struct btrfs_fs_info *fs_info,
 				       block_group->bytes_super));
 	if (ret == 1 && !matched) {
 		__btrfs_remove_free_space_cache(ctl);
-		printf("block group %llu has wrong amount of free space",
+		fprintf(stderr,
+		       "block group %llu has wrong amount of free space\n",
 		       block_group->key.objectid);
 		ret = -1;
 	}
@@ -452,8 +457,9 @@ int load_free_space_cache(struct btrfs_fs_info *fs_info,
 	if (ret < 0) {
 		ret = 0;
 
-		printf("failed to load free space cache for block group %llu\n",
-			block_group->key.objectid);
+		fprintf(stderr,
+		       "failed to load free space cache for block group %llu\n",
+		       block_group->key.objectid);
 	}
 
 	return ret;
diff --git a/mkfs.c b/mkfs.c
index 7d635dc..5cea8dd 100644
--- a/mkfs.c
+++ b/mkfs.c
@@ -600,7 +600,7 @@ static int add_symbolic_link(struct btrfs_trans_handle *trans,
 		goto fail;
 	}
 	if (ret >= sectorsize) {
-		fprintf(stderr, "symlink too long for %s", path_name);
+		fprintf(stderr, "symlink too long for %s\n", path_name);
 		ret = -1;
 		goto fail;
 	}
