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-rw-r--r--crawl-ref/source/tags.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/crawl-ref/source/tags.h b/crawl-ref/source/tags.h
index 0f9df30f9c..22e8489a9f 100644
--- a/crawl-ref/source/tags.h
+++ b/crawl-ref/source/tags.h
@@ -82,7 +82,7 @@ private:
std::vector<unsigned char>* _pbuf;
};
-void marshallByte (writer &, char );
+void marshallByte (writer &, const char& );
void marshallShort (writer &, int16_t );
void marshallLong (writer &, int32_t );
void marshallFloat (writer &, float );