diff --git a/spa/plugins/alsa/acp/compat.c b/spa/plugins/alsa/acp/compat.c
index 3fc8f4581..770344403 100644
--- a/spa/plugins/alsa/acp/compat.c
+++ b/spa/plugins/alsa/acp/compat.c
@@ -50,7 +50,7 @@ static const char *port_types[] = {
 
 static const char *str_port_type(pa_device_port_type_t type)
 {
-	int idx = (type >= 0 && type < PA_ELEMENTSOF(port_types)) ? type : 0;
+	int idx = (type < PA_ELEMENTSOF(port_types)) ? type : 0;
 	return port_types[idx];
 }