diff --git a/src/yugecin/opsudance/ui/SBOverlay.java b/src/yugecin/opsudance/ui/SBOverlay.java
index 8f241205..b72823d4 100644
--- a/src/yugecin/opsudance/ui/SBOverlay.java
+++ b/src/yugecin/opsudance/ui/SBOverlay.java
@@ -152,7 +152,7 @@ public class SBOverlay {
 	}
 
 	private void goBackOneSBIndex() {
-		if (optionsMap[index + 1] != null) {
+		if (index + 1 < optionsMap.length && optionsMap[index + 1] != null) {
 			// new options on previous index, so to revert then we have to reload them all to this point..
 			final int thisIndex = index;
 			for (int i = 0; i <= thisIndex; i++) {