diff --git a/uemis.c b/uemis.c
index 81f145b11..59f7057e9 100644
--- a/uemis.c
+++ b/uemis.c
@@ -150,7 +150,7 @@ int uemis_get_weight_unit(int diveid)
 	return 0;
 }
 
-void uemis_mark_divelocation(int diveid, int divespot, char **location, degrees_t *longitude, degrees_t *latitude)
+void uemis_mark_divelocation(int diveid, int divespot, char **location, degrees_t *latitude, degrees_t *longitude)
 {
 	struct uemis_helper *hp = uemis_get_helper(diveid);
 	hp->divespot = divespot;
diff --git a/uemis.h b/uemis.h
index ddc9c9936..32c4bdc24 100644
--- a/uemis.h
+++ b/uemis.h
@@ -14,7 +14,7 @@ extern "C" {
 
 void uemis_parse_divelog_binary(char *base64, void *divep);
 int uemis_get_weight_unit(int diveid);
-void uemis_mark_divelocation(int diveid, int divespot, char **location, degrees_t *longitude, degrees_t *latitude);
+void uemis_mark_divelocation(int diveid, int divespot, char **location, degrees_t *latitude, degrees_t *longitude);
 void uemis_set_divelocation(int divespot, char *text, double longitude, double latitude);
 
 typedef struct