diff --git a/ip6tables-standalone.c b/ip6tables-standalone.c
index c0ca645..649ac3d 100644
--- a/ip6tables-standalone.c
+++ b/ip6tables-standalone.c
@@ -68,10 +68,16 @@
 		ip6tc_free(handle);
 	}
 
-	if (!ret)
-		fprintf(stderr, "ip6tables: %s. "
-				"Run `dmesg' for more information.\n",
-			ip6tc_strerror(errno));
+	if (!ret) {
+		if (errno == EINVAL) {
+			fprintf(stderr, "ip6tables: %s. "
+					"Run `dmesg' for more information.\n",
+				ip6tc_strerror(errno));
+		} else {
+			fprintf(stderr, "ip6tables: %s.\n",
+				ip6tc_strerror(errno));
+		}
+	}
 
 	exit(!ret);
 }
diff --git a/iptables-standalone.c b/iptables-standalone.c
index 208f71d..9185388 100644
--- a/iptables-standalone.c
+++ b/iptables-standalone.c
@@ -69,9 +69,14 @@
 	}
 
 	if (!ret) {
-		fprintf(stderr, "iptables: %s. "
-				"Run `dmesg' for more information.\n",
-			iptc_strerror(errno));
+		if (errno == EINVAL) {
+			fprintf(stderr, "iptables: %s. "
+					"Run `dmesg' for more information.\n",
+				iptc_strerror(errno));
+		} else {
+			fprintf(stderr, "iptables: %s.\n",
+				iptc_strerror(errno));
+		}
 		if (errno == EAGAIN) {
 			exit(RESOURCE_PROBLEM);
 		}