diff --git a/src/yunohost/data_migrations/0003_php5_to_php7_pools.py b/src/yunohost/data_migrations/0003_php5_to_php7_pools.py
new file mode 100644
index 000000000..55c8ef08d
--- /dev/null
+++ b/src/yunohost/data_migrations/0003_php5_to_php7_pools.py
@@ -0,0 +1,67 @@
+import os
+import glob
+from shutil import copy2
+
+from moulinette.utils.log import getActionLogger
+
+from yunohost.tools import Migration
+from yunohost.service import _run_service_command
+
+logger = getActionLogger('yunohost.migration')
+
+PHP5_POOLS = "/etc/php5/fpm/pool.d"
+PHP7_POOLS = "/etc/php/7.0/fpm/pool.d"
+
+PHP5_SOCKETS_PREFIX = "/var/run/php5-fpm"
+PHP7_SOCKETS_PREFIX = "/run/php/php7.0-fpm"
+
+MIGRATION_COMMENT = "; YunoHost note : this file was automatically moved from {}".format(PHP5_POOLS)
+
+
+class MyMigration(Migration):
+    "Migrate php5-fpm 'pool' conf files to php7 stuff"
+
+    def migrate(self):
+
+        # Get list of php5 pool files
+        php5_pool_files = glob.glob("{}/*.conf".format(PHP5_POOLS))
+
+        # Keep only basenames
+        php5_pool_files = [os.path.basename(f) for f in php5_pool_files]
+
+        # Ignore the "www.conf" (default stuff, probably don't want to touch it ?)
+        php5_pool_files = [f for f in php5_pool_files if f != "www.conf"]
+
+        for f in php5_pool_files:
+
+            # Copy the files to the php7 pool
+            src = "{}/{}".format(PHP5_POOLS, f)
+            dest = "{}/{}".format(PHP7_POOLS, f)
+            copy2(src, dest)
+
+            # Replace the socket prefix if it's found
+            c = "sed -i -e 's@{}@{}@g' {}".format(PHP5_SOCKETS_PREFIX, PHP7_SOCKETS_PREFIX, dest)
+            os.system(c)
+
+            # Also add a comment that it was automatically moved from php5
+            # (for human traceability and backward migration)
+            c = "sed -i '1i {}' {}".format(MIGRATION_COMMENT, dest)
+            os.system(c)
+
+        # Reload/restart the php pools
+        _run_service_command("restart", "php-fpm")
+
+    def backward(self):
+
+        # Get list of php7 pool files
+        php7_pool_files = glob.glob("{}/*.conf".format(PHP7_POOLS))
+
+        # Keep only files which have the migration comment
+        php7_pool_files = [f for f in php7_pool_files if open(f).readline().strip() == MIGRATION_COMMENT]
+
+        # Delete those files
+        for f in php7_pool_files:
+            os.remove(f)
+
+        # Reload/restart the php pools
+        _run_service_command("restart", "php-fpm")