diff --git a/src/config.h.cmake b/src/config.h.cmake
index 177356478ae..1c1874f8ace 100644
--- a/src/config.h.cmake
+++ b/src/config.h.cmake
@@ -205,7 +205,7 @@
#cmakedefine HAVE_OSG
/* defined if PARQUET is available */
-# cmakedefine HAVE_PARQUET
+#cmakedefine HAVE_PARQUET
/* defined if zlib is available */
#cmakedefine HAVE_ZLIB
