diff --git a/vips.h b/vips.h
index 4107d17..36a59d0 100644
--- a/vips.h
+++ b/vips.h
@@ -310,13 +310,13 @@ vips_jpegsave_bridge(VipsImage *in, void **buf, size_t *len, int strip, int qual
 
 int
 vips_pngsave_bridge(VipsImage *in, void **buf, size_t *len, int strip, int compression, int quality, int interlace, int palette) {
-#if (VIPS_MAJOR_VERSION >= 8 &&  VIPS_MINOR_VERSION >= 7)
+#if (VIPS_MAJOR_VERSION >= 8 && VIPS_MINOR_VERSION >= 7)
 	return vips_pngsave_buffer(in, buf, len,
 		"strip", INT_TO_GBOOLEAN(strip),
 		"compression", compression,
 		"interlace", INT_TO_GBOOLEAN(interlace),
 		"filter", VIPS_FOREIGN_PNG_FILTER_ALL,
-        "palette", INT_TO_GBOOLEAN(palette),
+	        "palette", INT_TO_GBOOLEAN(palette),
 		NULL
 	);
 #else