diff --git a/pdfio.h b/pdfio.h
index efbe2e0..c228ad4 100644
--- a/pdfio.h
+++ b/pdfio.h
@@ -47,7 +47,7 @@ extern "C" {
 // Types and constants...
 //
 
-#  ifdef _WIN32
+#  if _WIN32
 typedef __int64 ssize_t;		// POSIX type not present on Windows... @private@
 #  endif // _WIN32
 
diff --git a/pdfio_native.nuspec b/pdfio_native.nuspec
index 4a78275..e4bd970 100644
--- a/pdfio_native.nuspec
+++ b/pdfio_native.nuspec
@@ -3,7 +3,7 @@
     <metadata>
         <id>pdfio_native</id>
         <title>PDFio Library for VS2019+</title>
-        <version>1.0-b0</version>
+        <version>1.0.0-b1</version>
         <authors>Michael R Sweet</authors>
         <owners>michaelrsweet</owners>
         <projectUrl>https://github.com/michaelrsweet/pappl</projectUrl>