diff --git a/win32port/zlib/deflate.c b/win32port/zlib/deflate.c
index 0f6fc1e04..9fbc58321 100644
--- a/win32port/zlib/deflate.c
+++ b/win32port/zlib/deflate.c
@@ -398,9 +398,9 @@ int ZEXPORT deflateSetHeader (strm, head)
 
 /* ========================================================================= */
 int ZEXPORT deflatePending (strm, pending, bits)
+    z_streamp strm;
     unsigned *pending;
     int *bits;
-    z_streamp strm;
 {
     if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
     *pending = strm->state->pending;
diff --git a/win32port/zlib/zlib.h b/win32port/zlib/zlib.h
index cba7ab2fb..3c8343323 100644
--- a/win32port/zlib/zlib.h
+++ b/win32port/zlib/zlib.h
@@ -664,6 +664,8 @@ ZEXTERN int ZEXPORT deflateParams OF((z_streamp strm,
    strm->avail_out was zero.
 */
 
+ZEXTERN int ZEXPORT deflatePending OF((z_streamp strm, unsigned *pending, int *bits));
+
 ZEXTERN int ZEXPORT deflateTune OF((z_streamp strm,
                                     int good_length,
                                     int max_lazy,