diff --git a/engines/tony/game.cpp b/engines/tony/game.cpp
index 5b9502468ae5..f1e8f0e61477 100644
--- a/engines/tony/game.cpp
+++ b/engines/tony/game.cpp
@@ -1601,6 +1601,9 @@ void RMPointer::updateCursor() {
 
 	// If in black & white mode, convert the cursor
 	if (GLOBALS._bCfgAnni30) {
+		if (!RMGfxTargetBuffer::_precalcTable) {
+			RMGfxTargetBuffer::createBWPrecalcTable();
+		}
 		uint16 *src = (uint16 *)cursorData;
 		for (int i = 0; i < 64; i++) {
 			uint16 *lineP = src;