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-rw-r--r--engines/parallaction/disk_br.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/engines/parallaction/disk_br.cpp b/engines/parallaction/disk_br.cpp
index 952dcf40af..9c99a34816 100644
--- a/engines/parallaction/disk_br.cpp
+++ b/engines/parallaction/disk_br.cpp
@@ -445,7 +445,8 @@ void AmigaDisk_br::adjustForPalette(Graphics::Surface &surf, int move) {
uint size = surf.w * surf.h;
byte *data = (byte*)surf.pixels;
for (uint i = 0; i < size; i++, data++) {
- *data += move;
+ if (*data)
+ *data += move;
}
}