diff --git a/src/main/io/gps.c b/src/main/io/gps.c
index a0aca1f34..edd1853e1 100644
--- a/src/main/io/gps.c
+++ b/src/main/io/gps.c
@@ -703,12 +703,13 @@ static bool gpsNewFrameNMEA(char c)
             string[offset] = 0;
             if (param == 0) {       //frame identification
                 gps_frame = NO_FRAME;
-                if (string[0] == 'G' && string[1] == 'P' && string[2] == 'G' && string[3] == 'G' && string[4] == 'A')
+                if (0 == strcmp(string, "GPGGA") || 0 == strcmp(string, "GNGGA")) {
                     gps_frame = FRAME_GGA;
-                if (string[0] == 'G' && string[1] == 'P' && string[2] == 'R' && string[3] == 'M' && string[4] == 'C')
+                } else if (0 == strcmp(string, "GPRMC") || 0 == strcmp(string, "GNRMC")) {
                     gps_frame = FRAME_RMC;
-                if (string[0] == 'G' && string[1] == 'P' && string[2] == 'G' && string[3] == 'S' && string[4] == 'V')
+                } else if (0 == strcmp(string, "GPGSV")) {
                     gps_frame = FRAME_GSV;
+                }
             }
 
             switch (gps_frame) {