diff --git a/source/platform/pfishhk.cpp b/source/platform/pfishhk.cpp
index f855c7000..56cad2cea 100644
--- a/source/platform/pfishhk.cpp
+++ b/source/platform/pfishhk.cpp
@@ -45,6 +45,7 @@ void CNpcFishHookPlatform::postInit()
 	m_isShuttingDown = false;
 	m_lineBase.vx = Pos.vx;
 	m_lineBase.vy = 0;
+	m_bobTimer = 0;
 }
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
@@ -87,6 +88,21 @@ void CNpcFishHookPlatform::processMovement( int _frames )
 			}
 		}
 	}
+	else
+	{
+		int second = GameState::getOneSecondInFrames();
+
+		m_bobTimer += _frames;
+
+		if ( m_bobTimer >  ( 3 * second ) )
+		{
+			m_bobTimer -= 3 * second;
+		}
+
+		s16 sineVal = ( m_bobTimer << 12 ) / ( 3 * second );
+
+		Pos.vy = m_base.vy + ( ( 5 * rsin( sineVal ) ) >> 12 );
+	}
 }
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
diff --git a/source/platform/pfishhk.h b/source/platform/pfishhk.h
index b0870bdd4..8283b542c 100644
--- a/source/platform/pfishhk.h
+++ b/source/platform/pfishhk.h
@@ -31,6 +31,7 @@ protected:
 	u8					m_isMoving;
 	u8					m_isResetting;
 	DVECTOR				m_lineBase;
+	s32					m_bobTimer;
 };
 
 #endif
\ No newline at end of file