diff --git a/mbtk/mbtk_gnssd/gnss_hd8122.c b/mbtk/mbtk_gnssd/gnss_hd8122.c
index 1e507f5..d9c61e2 100755
--- a/mbtk/mbtk_gnssd/gnss_hd8122.c
+++ b/mbtk/mbtk_gnssd/gnss_hd8122.c
@@ -890,11 +890,11 @@
             {
                 new_mode |= 0x00000010;
             }
-            if(mode & GNSS_SET_SYSCFG_SBAS)   // SBAS
+            if(mode & GNSS_SET_SYSCFG_QZSS)   // QZSS
             {
                 new_mode |= 0x00000020;
             }
-            if(mode & GNSS_SET_SYSCFG_QZSS)   // QZSS
+            if(mode & GNSS_SET_SYSCFG_SBAS)   // SBAS
             {
                 new_mode |= 0x00000040;
             }