diff --git a/fsutils/ipcfg/ipcfg.h b/fsutils/ipcfg/ipcfg.h
index a2c1a63c0..f0bb89652 100644
--- a/fsutils/ipcfg/ipcfg.h
+++ b/fsutils/ipcfg/ipcfg.h
@@ -37,9 +37,10 @@
  * Pre-processor Definitions
  ****************************************************************************/
 
-#define MAX_LINESIZE  80
-#define MAX_IPv4PROTO IPv4PROTO_FALLBACK
-#define MAX_IPv6PROTO IPv6PROTO_FALLBACK
+#define IPCFG_VERSION   1  /* Increment this if the data/structure changes */
+#define MAX_LINESIZE    80
+#define MAX_IPv4PROTO   IPv4PROTO_FALLBACK
+#define MAX_IPv6PROTO   IPv6PROTO_FALLBACK
 
 /****************************************************************************
  * Public Types
@@ -49,7 +50,8 @@
 
 struct ipcfg_header_s
 {
-  uint8_t next;         /* Offset to the next IP configuration record */
+  uint8_t     next;     /* Offset to the next IP configuration record */
+  uint8_t     version;  /* For binary compatibility */
   sa_family_t type;     /* Either AF_INET or AF_INET6 */
 };
 
diff --git a/fsutils/ipcfg/ipcfg_binary.c b/fsutils/ipcfg/ipcfg_binary.c
index 9af338624..e2d841d43 100644
--- a/fsutils/ipcfg/ipcfg_binary.c
+++ b/fsutils/ipcfg/ipcfg_binary.c
@@ -223,11 +223,12 @@ static int ipcfg_find_binary(int fd, sa_family_t af)
 
           return (int)ret;
         }
-      else if (hdr.type == af)
+      else if (hdr.version == IPCFG_VERSION && hdr.type == af)
         {
           return OK;
         }
-      else if (hdr.type != AF_INET && hdr.type != AF_INET6)
+      else if (hdr.version != IPCFG_VERSION ||
+               hdr.type != AF_INET && hdr.type != AF_INET6)
         {
           return -EINVAL;
         }
@@ -416,8 +417,9 @@ int ipcfg_write_binary_ipv4(FAR const char *path,
 
   /* Write the IPv4 file header */
 
-  hdr.next = ipv6 ? sizeof(struct ipv4cfg_s) : 0;
-  hdr.type = AF_INET;
+  hdr.next    = ipv6 ? sizeof(struct ipv4cfg_s) : 0;
+  hdr.type    = AF_INET;
+  hdr.version = IPCFG_VERSION;
 
   ret = ipcfg_write_binary(fd, &hdr, sizeof(struct ipcfg_header_s));
   if (ret < 0)
@@ -440,8 +442,9 @@ int ipcfg_write_binary_ipv4(FAR const char *path,
     {
       /* Write the IPv6 header */
 
-      hdr.next = 0;
-      hdr.type = AF_INET6;
+      hdr.next    = 0;
+      hdr.type    = AF_INET6;
+      hdr.version = IPCFG_VERSION;
 
       ret = ipcfg_write_binary(fd, &hdr, sizeof(struct ipcfg_header_s));
       if (ret >= 0)
@@ -523,8 +526,9 @@ int ipcfg_write_binary_ipv6(FAR const char *path,
     {
       /* Write the IPv4 header */
 
-      hdr.next = sizeof(struct ipv4cfg_s);
-      hdr.type = AF_INET;
+      hdr.next    = sizeof(struct ipv4cfg_s);
+      hdr.type    = AF_INET;
+      hdr.version = IPCFG_VERSION;
 
       ret = ipcfg_write_binary(fd, &hdr, sizeof(struct ipcfg_header_s));
       if (ret < 0)
@@ -546,8 +550,9 @@ int ipcfg_write_binary_ipv6(FAR const char *path,
 
   /* Write the IPv6 file header */
 
-  hdr.next = 0;
-  hdr.type = AF_INET6;
+  hdr.next    = 0;
+  hdr.type    = AF_INET6;
+  hdr.version = IPCFG_VERSION;
 
   ret = ipcfg_write_binary(fd, &hdr, sizeof(struct ipcfg_header_s));
   if (ret >= 0)