diff --git a/engines/prince/script.cpp b/engines/prince/script.cpp
index 1e50fe5ec46..4ed3cee6f3b 100644
--- a/engines/prince/script.cpp
+++ b/engines/prince/script.cpp
@@ -722,6 +722,17 @@ void Interpreter::O_PUTBACKANIM() {
 		_vm->_script->installSingleBackAnim(_vm->_backAnimList, slot, room->_backAnim);
 	}
 	delete room;
+
+	// WALKAROUND: fix for turning on 'walking bird' background animation too soon,
+	// after completing 'throw a rock' mini-game in Silmaniona location.
+	// Second bird shouldn't appear when normal animation is still in use
+	// in script lines 13814 and 13848
+	if (_currentInstruction == kSecondBirdAnimationScriptFix) {
+		if (_vm->_normAnimList[1]._state == 0) {
+			_vm->_backAnimList[0].backAnims[0]._state = 1;
+		}
+	}
+
 	debugInterpreter("O_PUTBACKANIM roomId %d, slot %d, animId %d", roomId, slot, animId);
 }
 
diff --git a/engines/prince/script.h b/engines/prince/script.h
index 23c0468d151..fe79cf5f96b 100644
--- a/engines/prince/script.h
+++ b/engines/prince/script.h
@@ -242,6 +242,7 @@ private:
 	static OpcodeFunc _opcodes[];
 
 	static const uint kGiveLetterScriptFix = 79002;
+	static const uint kSecondBirdAnimationScriptFix = 45658;
 
 	// Keep opcode handlers names as they are in original code
 	// making it easier to switch back and forth