diff --git a/libasn1compiler/asn1c_C.c b/libasn1compiler/asn1c_C.c
index 0b68327..850b65a 100644
--- a/libasn1compiler/asn1c_C.c
+++ b/libasn1compiler/asn1c_C.c
@@ -938,6 +938,7 @@
 		OUT("_PR_NOTHING,\t/* No components present */\n");
 		TQ_FOR(v, &(expr->members), next) {
 			if(skipComma) skipComma = 0;
+			else if (v->expr_type == A1TC_EXTENSIBLE && !TQ_NEXT(v, next)) OUT("\n");
 			else OUT(",\n");
 			if(v->expr_type == A1TC_EXTENSIBLE) {
 				OUT("/* Extensions may appear below */\n");
diff --git a/tests/42-real-life-OK.asn1.-PR b/tests/42-real-life-OK.asn1.-PR
index d223133..11531cf 100644
--- a/tests/42-real-life-OK.asn1.-PR
+++ b/tests/42-real-life-OK.asn1.-PR
@@ -353,7 +353,7 @@
 typedef enum VariablePart_PR {
 	VariablePart_PR_NOTHING,	/* No components present */
 	VariablePart_PR_vset,
-	VariablePart_PR_vrange,
+	VariablePart_PR_vrange
 	/* Extensions may appear below */
 	
 } VariablePart_PR;
diff --git a/tests/47-set-ext-OK.asn1.-Pfwide-types b/tests/47-set-ext-OK.asn1.-Pfwide-types
index c2c9dfb..bfbf195 100644
--- a/tests/47-set-ext-OK.asn1.-Pfwide-types
+++ b/tests/47-set-ext-OK.asn1.-Pfwide-types
@@ -196,7 +196,7 @@
 
 typedef enum T3_PR {
 	T3_PR_NOTHING,	/* No components present */
-	T3_PR_i,
+	T3_PR_i
 	/* Extensions may appear below */
 	
 } T3_PR;
@@ -279,7 +279,7 @@
 
 typedef enum T4_PR {
 	T4_PR_NOTHING,	/* No components present */
-	T4_PR_i,
+	T4_PR_i
 	/* Extensions may appear below */
 	
 } T4_PR;
diff --git a/tests/70-xer-test-OK.asn1.-Pfwide-types b/tests/70-xer-test-OK.asn1.-Pfwide-types
index 4d29ae0..93cfd9c 100644
--- a/tests/70-xer-test-OK.asn1.-Pfwide-types
+++ b/tests/70-xer-test-OK.asn1.-Pfwide-types
@@ -36,7 +36,7 @@
 	PDU_PR_namedSetOfEnums,
 	PDU_PR_seqOfZuka,
 	PDU_PR_setOfChoice,
-	PDU_PR_namedSetOfChoice,
+	PDU_PR_namedSetOfChoice
 	/* Extensions may appear below */
 	
 } PDU_PR;