diff --git a/spa/include/spa/pod/parser.h b/spa/include/spa/pod/parser.h
index 8e1ada087..7c7cc64a9 100644
--- a/spa/include/spa/pod/parser.h
+++ b/spa/include/spa/pod/parser.h
@@ -295,7 +295,7 @@ static inline int spa_pod_parser_getv(struct spa_pod_parser *parser,
 	return 0;
 }
 
-static inline int spa_pod_parser_get(struct spa_pod_parser *parser,
+static inline SPA_SENTINEL int spa_pod_parser_get(struct spa_pod_parser *parser,
 				     const char *format, ...)
 {
 	int res;
diff --git a/spa/tests/test-props2.c b/spa/tests/test-props2.c
index 692b95c52..e2f4e02af 100644
--- a/spa/tests/test-props2.c
+++ b/spa/tests/test-props2.c
@@ -110,7 +110,7 @@ int main(int argc, char *argv[])
 			"s", &vs,
 			"R", &vr,
 			"F", &vfr,
-			"P", &va, 0);
+			"P", &va, NULL);
 
 	printf("%u %lu %f %g %s %ux%u %u/%u\n", vi, vl, vf, vd, vs, vr.width, vr.height, vfr.num,
 	       vfr.denom);