diff --git a/src/librssguard/database/mariadbdriver.cpp b/src/librssguard/database/mariadbdriver.cpp
index bcad6ade8..de3dac58e 100755
--- a/src/librssguard/database/mariadbdriver.cpp
+++ b/src/librssguard/database/mariadbdriver.cpp
@@ -300,5 +300,5 @@ QString MariaDbDriver::autoIncrementPrimaryKey() const {
 }
 
 QString MariaDbDriver::blob() const {
-  return QSL("BLOB");
+  return QSL("MEDIUMBLOB");
 }