diff --git a/toolkit/components/places/Database.cpp b/toolkit/components/places/Database.cpp
index b272bcdf315b..f9ca3a735b41 100644
--- a/toolkit/components/places/Database.cpp
+++ b/toolkit/components/places/Database.cpp
@@ -598,7 +598,7 @@ Database::InitSchema(bool* aDatabaseMigrated)
   // Grow places in |growthIncrementKiB| increments to limit fragmentation on disk.
   // By default, it's 10 MB.
   int32_t growthIncrementKiB =
-    Preferences::GetInt(PREF_GROWTH_INCREMENT_KIB, 10 * BYTES_PER_KIBIBYTE * BYTES_PER_KIBIBYTE);
+    Preferences::GetInt(PREF_GROWTH_INCREMENT_KIB, 10 * BYTES_PER_KIBIBYTE);
   if (growthIncrementKiB > 0) {
     (void)mMainConn->SetGrowthIncrement(growthIncrementKiB * BYTES_PER_KIBIBYTE, EmptyCString());
   }