diff --git a/src/.cvsignore b/src/.cvsignore
deleted file mode 100644
index a46b6b8..0000000
--- a/src/.cvsignore
+++ /dev/null
@@ -1,8 +0,0 @@
-tmp[123]
-vxs-interp
-vxs-bootstrap
-vx-scheme
-vx-scheme.exe
-_compiler.cpp
-Scheme.ncb
-Scheme.suo
diff --git a/src/io.cpp b/src/io.cpp
index ae01042..2df7ac8 100644
--- a/src/io.cpp
+++ b/src/io.cpp
@@ -583,7 +583,7 @@ bool Context::read_eval_print
         fflush (out);
     }
 
-    while (expr = read (sio))
+    while ((expr = read (sio)))
 	{
 	// Don't bother printing the unspecified value as result.