diff --git a/dump1090.c b/dump1090.c
index bb31714..5506e77 100644
--- a/dump1090.c
+++ b/dump1090.c
@@ -56,7 +56,7 @@
 // MinorVer changes when additional features are added, but not for bug fixes (range 00-99)
 // DayDate & Year changes for all changes, including for bug fixes. It represent the release date of the update
 //
-#define MODES_DUMP1090_VERSION     "1.01.1704.13"
+#define MODES_DUMP1090_VERSION     "1.01.1904.13"
 
 #define MODES_DEFAULT_RATE         2000000
 #define MODES_DEFAULT_FREQ         1090000000
@@ -1208,7 +1208,7 @@ void decodeModesMessage(struct modesMessage *mm, unsigned char *msg) {
                 mm->ns_dir = (msg[7]&0x80) >> 7;
                 mm->ns_velocity = ((msg[7]&0x7f) << 3) | ((msg[8]&0xe0) >> 5);
                 mm->vert_rate_source = (msg[8]&0x10) >> 4;
-                mm->vert_rate_sign = (msg[8]&0x8) >> 5;
+                mm->vert_rate_sign = (msg[8]&0x8) >> 3;
                 mm->vert_rate = ((msg[8]&7) << 6) | ((msg[9]&0xfc) >> 2);
                 /* Compute velocity and angle from the two speed
                  * components. */