diff --git a/app/models/plan.py b/app/models/plan.py
index ca9b229..e101421 100644
--- a/app/models/plan.py
+++ b/app/models/plan.py
@@ -9,7 +9,7 @@ from app.database import db
 class Plan(db.Model):
     """Plan model for user subscription plans."""
 
-    __tablename__ = "plans"
+    __tablename__ = "plan"
 
     id = Column(Integer, primary_key=True)
     code = Column(String(50), unique=True, nullable=False, index=True)
diff --git a/app/models/playlist.py b/app/models/playlist.py
index 2814384..063b975 100644
--- a/app/models/playlist.py
+++ b/app/models/playlist.py
@@ -17,14 +17,14 @@ if TYPE_CHECKING:
 class Playlist(db.Model):
     """Model for playlists containing sounds."""
 
-    __tablename__ = "playlists"
+    __tablename__ = "playlist"
 
     id: Mapped[int] = mapped_column(Integer, primary_key=True)
     name: Mapped[str] = mapped_column(String(255), nullable=False)
     description: Mapped[Optional[str]] = mapped_column(Text, nullable=True)
     genre: Mapped[Optional[str]] = mapped_column(String(100), nullable=True)
     user_id: Mapped[Optional[int]] = mapped_column(
-        Integer, ForeignKey("users.id"), nullable=True
+        Integer, ForeignKey("user.id"), nullable=True
     )
     is_main: Mapped[bool] = mapped_column(
         Boolean, default=False, nullable=False
diff --git a/app/models/playlist_sound.py b/app/models/playlist_sound.py
index 9dc0d65..eaa89ff 100644
--- a/app/models/playlist_sound.py
+++ b/app/models/playlist_sound.py
@@ -17,14 +17,14 @@ if TYPE_CHECKING:
 class PlaylistSound(db.Model):
     """Model for playlist-sound relationships with ordering."""
 
-    __tablename__ = "playlist_sounds"
+    __tablename__ = "playlist_sound"
 
     id: Mapped[int] = mapped_column(Integer, primary_key=True)
     playlist_id: Mapped[int] = mapped_column(
-        Integer, ForeignKey("playlists.id"), nullable=False
+        Integer, ForeignKey("playlist.id"), nullable=False
     )
     sound_id: Mapped[int] = mapped_column(
-        Integer, ForeignKey("sounds.id"), nullable=False
+        Integer, ForeignKey("sound.id"), nullable=False
     )
     order: Mapped[int] = mapped_column(Integer, nullable=False)
     added_at: Mapped[datetime] = mapped_column(
diff --git a/app/models/sound.py b/app/models/sound.py
index ecfa5e8..b23539a 100644
--- a/app/models/sound.py
+++ b/app/models/sound.py
@@ -25,7 +25,7 @@ class SoundType(Enum):
 class Sound(db.Model):
     """Sound model for storing sound file information."""
 
-    __tablename__ = "sounds"
+    __tablename__ = "sound"
 
     id: Mapped[int] = mapped_column(primary_key=True)
 
diff --git a/app/models/sound_played.py b/app/models/sound_played.py
index b8b48e1..6b82d06 100644
--- a/app/models/sound_played.py
+++ b/app/models/sound_played.py
@@ -19,12 +19,12 @@ class SoundPlayed(db.Model):
     # Foreign keys
     user_id: Mapped[int] = mapped_column(
         Integer,
-        ForeignKey("users.id"),
+        ForeignKey("user.id"),
         nullable=False,
     )
     sound_id: Mapped[int] = mapped_column(
         Integer,
-        ForeignKey("sounds.id"),
+        ForeignKey("sound.id"),
         nullable=False,
     )
 
diff --git a/app/models/user.py b/app/models/user.py
index 3a9bebf..2869717 100644
--- a/app/models/user.py
+++ b/app/models/user.py
@@ -20,7 +20,7 @@ if TYPE_CHECKING:
 class User(db.Model):
     """User model for storing user information."""
 
-    __tablename__ = "users"
+    __tablename__ = "user"
 
     id: Mapped[int] = mapped_column(primary_key=True)
 
@@ -48,7 +48,7 @@ class User(db.Model):
     # Plan relationship
     plan_id: Mapped[int] = mapped_column(
         Integer,
-        ForeignKey("plans.id"),
+        ForeignKey("plan.id"),
         nullable=False,
     )
 
diff --git a/app/models/user_oauth.py b/app/models/user_oauth.py
index b987e72..a7872f0 100644
--- a/app/models/user_oauth.py
+++ b/app/models/user_oauth.py
@@ -21,7 +21,7 @@ class UserOAuth(db.Model):
     id: Mapped[int] = mapped_column(primary_key=True)
 
     # User relationship
-    user_id: Mapped[int] = mapped_column(ForeignKey("users.id"), nullable=False)
+    user_id: Mapped[int] = mapped_column(ForeignKey("user.id"), nullable=False)
 
     # OAuth provider information
     provider: Mapped[str] = mapped_column(String(50), nullable=False)