diff --git a/bmx7/Makefile b/bmx7/Makefile
index 6e71222..5ec7b03 100644
--- a/bmx7/Makefile
+++ b/bmx7/Makefile
@@ -2,7 +2,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=bmx7
 PKG_VERSION:=7.1.1
-PKG_RELEASE:=3
+PKG_RELEASE:=4
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://codeload.github.com/bmx-routing/bmx7/tar.gz/v$(PKG_VERSION)?
diff --git a/bmx7/patches/020-siocgstamp.patch b/bmx7/patches/020-siocgstamp.patch
new file mode 100644
index 0000000..977aa49
--- /dev/null
+++ b/bmx7/patches/020-siocgstamp.patch
@@ -0,0 +1,38 @@
+--- a/src/schedule.c
++++ b/src/schedule.c
+@@ -375,7 +375,9 @@ loop4Event:
+ 					continue;
+ 				}
+ 
++#ifdef SIOCGSTAMP
+ 				ioctl(pb.i.iif->rx_mcast_sock, SIOCGSTAMP, &(pb.i.tv_stamp));
++#endif
+ 
+ 				rx_packet(&pb);
+ 
+@@ -401,7 +403,9 @@ loop4Event:
+ 					continue;
+ 				}
+ 
++#ifdef SIOCGSTAMP
+ 				ioctl(pb.i.iif->rx_fullbrc_sock, SIOCGSTAMP, &(pb.i.tv_stamp));
++#endif
+ 
+ 				rx_packet(&pb);
+ 
+@@ -451,10 +455,15 @@ loop4Event:
+ 					}
+ 				}
+ #endif
++#ifdef SIOCGSTAMP
+ 				if (tv_stamp == NULL)
+ 					ioctl(pb.i.iif->unicast_sock, SIOCGSTAMP, &(pb.i.tv_stamp));
+ 				else
+ 					timercpy(&(pb.i.tv_stamp), tv_stamp);
++#else
++				if (tv_stamp)
++					timercpy(&(pb.i.tv_stamp), tv_stamp);
++#endif
+ 
+ 				rx_packet(&pb);
+