diff --git a/Adafruit_GPS.cpp b/Adafruit_GPS.cpp
index fde50c0..c53aea4 100755
--- a/Adafruit_GPS.cpp
+++ b/Adafruit_GPS.cpp
@@ -285,7 +285,7 @@ boolean Adafruit_GPS::parse(char *nmea) {
     // we dont parse the remaining, yet!
     return true;
   }
-  if (strstr(nmea, "$GPGLL")) {
+  if (strStartsWith(nmea, "$GPGLL")) {
    // found GLL
     char *p = nmea;