diff --git a/engines/prince/script.cpp b/engines/prince/script.cpp
index 2ca18746deef..fba021d0f5e9 100644
--- a/engines/prince/script.cpp
+++ b/engines/prince/script.cpp
@@ -451,12 +451,12 @@ void InterpreterFlags::resetAllFlags() {
 	memset(_flags, 0, sizeof(_flags));
 }
 
-void InterpreterFlags::setFlagValue(Flags::Id flagId, uint16 value) {
-	_flags[(uint16)flagId - FLAG_MASK] = value;
+void InterpreterFlags::setFlagValue(Flags::Id flagId, uint32 value) {
+	_flags[(uint32)flagId - FLAG_MASK] = value;
 }
 
-uint16 InterpreterFlags::getFlagValue(Flags::Id flagId) {
-	return _flags[(uint16)flagId - FLAG_MASK];
+uint32 InterpreterFlags::getFlagValue(Flags::Id flagId) {
+	return _flags[(uint32)flagId - FLAG_MASK];
 }
 
 Interpreter::Interpreter(PrinceEngine *vm, Script *script, InterpreterFlags *flags) : 
diff --git a/engines/prince/script.h b/engines/prince/script.h
index 17ae0dc91759..11f1cb8cd7a7 100644
--- a/engines/prince/script.h
+++ b/engines/prince/script.h
@@ -165,8 +165,8 @@ class InterpreterFlags {
 public:
 	InterpreterFlags();
 
-	void setFlagValue(Flags::Id flag, uint16 value);
-	uint16 getFlagValue(Flags::Id flag);
+	void setFlagValue(Flags::Id flag, uint32 value);
+	uint32 getFlagValue(Flags::Id flag);
 
 	void resetAllFlags();
 
@@ -174,7 +174,7 @@ class InterpreterFlags {
 
 private:
 	static const uint16 MAX_FLAGS = 2000;
-	int16 _flags[MAX_FLAGS];
+	int32 _flags[MAX_FLAGS];
 };
 
 class Interpreter {