diff --git a/exec/amfsg.c b/exec/amfsg.c
index 68a47c62..1e5bf246 100644
--- a/exec/amfsg.c
+++ b/exec/amfsg.c
@@ -1502,6 +1502,7 @@ struct amf_sg *amf_sg_new (struct amf_application *app, char *name)
 	sg->saAmfSGNumPrefActiveSUs = 1;
 	sg->saAmfSGNumPrefStandbySUs = 1;
 	sg->saAmfSGNumPrefInserviceSUs = ~0;
+	sg->saAmfSGNumPrefAssignedSUs = ~0;
 	sg->saAmfSGCompRestartProb = -1;
 	sg->saAmfSGCompRestartMax = ~0;
 	sg->saAmfSGSuRestartProb = -1;
diff --git a/exec/amfutil.c b/exec/amfutil.c
index e69f3f0a..36d6042f 100644
--- a/exec/amfutil.c
+++ b/exec/amfutil.c
@@ -463,6 +463,10 @@ struct amf_cluster *amf_config_read (char **error_string)
 				sg->saAmfSGNumPrefActiveSUs = atoi (loc);
 			} else if ((loc = strstr_rs (line, "saAmfSGNumPrefStandbySUs=")) != 0) {
 				sg->saAmfSGNumPrefStandbySUs = atoi (loc);
+			} else if ((loc = strstr_rs (line, "saAmfSGNumPrefInserviceSUs=")) != 0) {
+				sg->saAmfSGNumPrefInserviceSUs = atoi (loc);
+			} else if ((loc = strstr_rs (line, "saAmfSGNumPrefAssignedSUs=")) != 0) {
+				sg->saAmfSGNumPrefAssignedSUs = atoi (loc);
 			} else if ((loc = strstr_rs (line, "saAmfSGMaxActiveSIsperSUs=")) != 0) {
 				sg->saAmfSGMaxActiveSIsperSUs = atoi (loc);
 			} else if ((loc = strstr_rs (line, "saAmfSGMaxStandbySIsperSUs=")) != 0) {
@@ -515,6 +519,10 @@ struct amf_cluster *amf_config_read (char **error_string)
 				if (sg->saAmfSGNumPrefInserviceSUs == ~0) {
 					sg->saAmfSGNumPrefInserviceSUs = su_cnt;
 				}
+				if (sg->saAmfSGNumPrefAssignedSUs == ~0) {
+					sg->saAmfSGNumPrefAssignedSUs =
+						sg->saAmfSGNumPrefInserviceSUs;
+				}
 				current_parse = AMF_APPLICATION;
 			} else {
 				goto parse_error;