diff --git a/internal/database/queries.sql.go b/internal/database/queries.sql.go
index b054422..6ac8759 100644
--- a/internal/database/queries.sql.go
+++ b/internal/database/queries.sql.go
@@ -7271,7 +7271,11 @@ WHERE COALESCE(lv.is_visible, true) = true
     (mi.date_published IS NULL AND mi.copyright_year <= $9)
   )
   -- Boolean (exact)
-  AND ($10 = false OR mi.cover_image_path IS NOT NULL)
+  AND (
+    $10::bool IS NULL OR  -- Not specified = show all
+    ($10::bool IS TRUE AND mi.cover_image_path IS NOT NULL) OR
+    ($10::bool IS FALSE AND mi.cover_image_path IS NULL)
+  )
   -- Search query (fuzzy or exact based on quotes)
   AND (
     $11 = '' OR
@@ -7376,7 +7380,7 @@ type SearchMediaItemsUnifiedParams struct {
 	TagsFilter     interface{} `db:"tags_filter" json:"tags_filter"`
 	YearMin        interface{} `db:"year_min" json:"year_min"`
 	YearMax        interface{} `db:"year_max" json:"year_max"`
-	HasCover       interface{} `db:"has_cover" json:"has_cover"`
+	HasCover       pgtype.Bool `db:"has_cover" json:"has_cover"`
 	SearchQuery    interface{} `db:"search_query" json:"search_query"`
 	IsExactSearch  interface{} `db:"is_exact_search" json:"is_exact_search"`
 	Sort           interface{} `db:"sort" json:"sort"`
diff --git a/internal/database/queries/queries.sql b/internal/database/queries/queries.sql
index 78808ee..f1ecb95 100644
--- a/internal/database/queries/queries.sql
+++ b/internal/database/queries/queries.sql
@@ -452,7 +452,11 @@ WHERE COALESCE(lv.is_visible, true) = true
     (mi.date_published IS NULL AND mi.copyright_year <= sqlc.narg('year_max'))
   )
   -- Boolean (exact)
-  AND (sqlc.narg('has_cover') = false OR mi.cover_image_path IS NOT NULL)
+  AND (
+    sqlc.narg('has_cover')::bool IS NULL OR  -- Not specified = show all
+    (sqlc.narg('has_cover')::bool IS TRUE AND mi.cover_image_path IS NOT NULL) OR
+    (sqlc.narg('has_cover')::bool IS FALSE AND mi.cover_image_path IS NULL)
+  )
   -- Search query (fuzzy or exact based on quotes)
   AND (
     sqlc.narg('search_query') = '' OR