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-rw-r--r--engines/wage/design.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/engines/wage/design.cpp b/engines/wage/design.cpp
index 42dca86b11..8b3a661e47 100644
--- a/engines/wage/design.cpp
+++ b/engines/wage/design.cpp
@@ -212,7 +212,7 @@ void Design::drawPolygon(Graphics::Surface *surface, Common::ReadStream &in, boo
int y2 = y1;
int x2 = x1;
int b = in.readSByte();
- if (b == (byte)0x80) {
+ if ((b & 0xff) == 0x80) {
y2 = in.readSint16BE();
numBytes -= 3;
} else {
@@ -220,7 +220,7 @@ void Design::drawPolygon(Graphics::Surface *surface, Common::ReadStream &in, boo
numBytes -= 1;
}
b = in.readSByte();
- if (b == (byte) 0x80) {
+ if ((b & 0xff) == 0x80) {
x2 = in.readSint16BE();
numBytes -= 3;
} else {