diff --git a/src/lib/lzmadecode.c b/src/lib/lzmadecode.c
index 6d21f6c3b9..0a5d038638 100644
--- a/src/lib/lzmadecode.c
+++ b/src/lib/lzmadecode.c
@@ -422,6 +422,10 @@ int LzmaDecode(CLzmaDecoderState *vs,
 		}
 	}
 	RC_NORMALIZE;
+	/*
+	 * Tell static analysis we know len can have a dead assignment.
+	 */
+	 (void)len;
 
 
 	*inSizeProcessed = (SizeT)(Buffer - inStream);