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-rw-r--r--engines/cine/gfx.cpp4
1 files changed, 3 insertions, 1 deletions
diff --git a/engines/cine/gfx.cpp b/engines/cine/gfx.cpp
index f6419ecafc..b9175cac72 100644
--- a/engines/cine/gfx.cpp
+++ b/engines/cine/gfx.cpp
@@ -1902,7 +1902,9 @@ void maskBgOverlay(const byte *bgPtr, const byte *maskPtr, int16 width, int16 he
destPtr++;
srcPtr++;
- maskPtr++;
+
+ if (maskPtr)
+ maskPtr++;
}
}