diff --git a/storage/innobase/log/log0crypt.cc b/storage/innobase/log/log0crypt.cc
index 3d4be2e7792..edc95f15a40 100644
--- a/storage/innobase/log/log0crypt.cc
+++ b/storage/innobase/log/log0crypt.cc
@@ -249,7 +249,7 @@ log_crypt_set_ver_and_key(
 
 			fprintf(stderr, "\nInnoDB redo log crypto: Can't initialize to key version %du\n",
 				key_ver);
-			fprintf(stderr, "InnoDB: [Warning] Disabling redo log encryption\n");
+			fprintf(stderr, "InnoDB: Warning: Disabling redo log encryption\n");
 			srv_encrypt_log = FALSE;
 		} else {
 			key_ver = vkey;
diff --git a/storage/innobase/os/os0file.cc b/storage/innobase/os/os0file.cc
index e552aa7b697..694038c8e37 100644
--- a/storage/innobase/os/os0file.cc
+++ b/storage/innobase/os/os0file.cc
@@ -6536,7 +6536,7 @@ os_file_trim(
 		srv_use_trim = FALSE;
 		ut_print_timestamp(stderr);
 		fprintf(stderr,
-			"  InnoDB: [Warning] fallocate call failed with error code %d.\n"
+			"  InnoDB: Warning: fallocate call failed with error code %d.\n"
 			"  InnoDB: start: %lu len: %lu payload: %lu\n"
 			"  InnoDB: Disabling fallocate for now.\n", errno, off, trim_len, len);
 
@@ -6557,7 +6557,7 @@ os_file_trim(
 #else
 	ut_print_timestamp(stderr);
 	fprintf(stderr,
-		"  InnoDB: [Warning] fallocate not supported on this installation."
+		"  InnoDB: Warning: fallocate not supported on this installation."
 		"  InnoDB: Disabling fallocate for now.");
 	os_fallocate_failed = TRUE;
 	srv_use_trim = FALSE;
@@ -6583,7 +6583,7 @@ os_file_trim(
 		srv_use_trim=FALSE;
 		ut_print_timestamp(stderr);
 		fprintf(stderr,
-			"  InnoDB: [Warning] fallocate call failed with error.\n"
+			"  InnoDB: Warning: fallocate call failed with error.\n"
 			"  InnoDB: start: %lu len: %lu payload: %lu\n"
 			"  InnoDB: Disabling fallocate for now.\n", off, trim_len, len);
 
diff --git a/storage/xtradb/log/log0crypt.cc b/storage/xtradb/log/log0crypt.cc
index be2f77ebc72..883e7e6293b 100644
--- a/storage/xtradb/log/log0crypt.cc
+++ b/storage/xtradb/log/log0crypt.cc
@@ -250,7 +250,7 @@ log_crypt_set_ver_and_key(
 
 			fprintf(stderr, "\nInnoDB redo log crypto: Can't initialize to key version %du\n",
 				key_ver);
-			fprintf(stderr, "InnoDB: [Warning] Disabling redo log encryption\n");
+			fprintf(stderr, "InnoDB: Warning: Disabling redo log encryption\n");
 			srv_encrypt_log = FALSE;
 		} else {
 			key_ver = vkey;
diff --git a/storage/xtradb/os/os0file.cc b/storage/xtradb/os/os0file.cc
index 156816166f8..e419b6d3e5c 100644
--- a/storage/xtradb/os/os0file.cc
+++ b/storage/xtradb/os/os0file.cc
@@ -6622,7 +6622,7 @@ os_file_trim(
 		srv_use_trim = FALSE;
 		ut_print_timestamp(stderr);
 		fprintf(stderr,
-			"  InnoDB: [Warning] fallocate call failed with error code %d.\n"
+			"  InnoDB: Warning: fallocate call failed with error code %d.\n"
 			"  InnoDB: start: %lu len: %lu payload: %lu\n"
 			"  InnoDB: Disabling fallocate for now.\n", errno, off, trim_len, len);
 
@@ -6643,7 +6643,7 @@ os_file_trim(
 #else
 	ut_print_timestamp(stderr);
 	fprintf(stderr,
-		"  InnoDB: [Warning] fallocate not supported on this installation."
+		"  InnoDB: Warning: fallocate not supported on this installation."
 		"  InnoDB: Disabling fallocate for now.");
 	os_fallocate_failed = TRUE;
 	srv_use_trim = FALSE;
@@ -6669,7 +6669,7 @@ os_file_trim(
 		srv_use_trim = FALSE;
 		ut_print_timestamp(stderr);
 		fprintf(stderr,
-			"  InnoDB: [Warning] fallocate call failed with error.\n"
+			"  InnoDB: Warning: fallocate call failed with error.\n"
 			"  InnoDB: start: %lu len: %lu payload: %lu\n"
 			"  InnoDB: Disabling fallocate for now.\n", off, trim_len, len);