diff --git a/configure.ac b/configure.ac
index 567b1de..96bb774 100644
--- a/configure.ac
+++ b/configure.ac
@@ -50,7 +50,7 @@ fi;
 regular_CFLAGS="-D_LARGEFILE_SOURCE=1 -D_LARGE_FILES -D_FILE_OFFSET_BITS=64 \
 	-D_REENTRANT -Wall -Waggregate-return -Wmissing-declarations \
 	-Wmissing-prototypes -Wredundant-decls -Wshadow -Wstrict-prototypes \
-	-Winline -pipe -DIPTABLES_VERSION=\\\"$PACKAGE_VERSION\\\" \
+	-Winline -pipe -DXTABLES_VERSION=\\\"$PACKAGE_VERSION\\\" \
 	-DXTABLES_LIBDIR=\\\"\${xtlibdir}\\\"";
 kinclude_CFLAGS="";
 if [[ -n "$kbuilddir" ]]; then
diff --git a/extensions/libxt_CHAOS.c b/extensions/libxt_CHAOS.c
index 66edd3d..cb4634d 100644
--- a/extensions/libxt_CHAOS.c
+++ b/extensions/libxt_CHAOS.c
@@ -93,7 +93,7 @@ static void chaos_tg_save(const void *ip, const struct xt_entry_target *target)
 }
 
 static struct xtables_target chaos_tg_reg = {
-	.version       = IPTABLES_VERSION,
+	.version       = XTABLES_VERSION,
 	.name          = "CHAOS",
 	.family        = AF_INET,
 	.size          = XT_ALIGN(sizeof(struct xt_chaos_tginfo)),
diff --git a/extensions/libxt_DELUDE.c b/extensions/libxt_DELUDE.c
index e31d001..3bb7440 100644
--- a/extensions/libxt_DELUDE.c
+++ b/extensions/libxt_DELUDE.c
@@ -29,7 +29,7 @@ static void delude_tg_check(unsigned int flags)
 }
 
 static struct xtables_target delude_tg_reg = {
-	.version       = IPTABLES_VERSION,
+	.version       = XTABLES_VERSION,
 	.name          = "DELUDE",
 	.revision      = 0,
 	.family        = AF_INET,
diff --git a/extensions/libxt_LOGMARK.c b/extensions/libxt_LOGMARK.c
index 98379b1..eed0beb 100644
--- a/extensions/libxt_LOGMARK.c
+++ b/extensions/libxt_LOGMARK.c
@@ -88,7 +88,7 @@ logmark_tg_save(const void *ip, const struct xt_entry_target *target)
 }
 
 static struct xtables_target logmark_tg_reg = {
-	.version       = IPTABLES_VERSION,
+	.version       = XTABLES_VERSION,
 	.name          = "LOGMARK",
 	.revision      = 0,
 	.family        = AF_INET,
@@ -103,7 +103,7 @@ static struct xtables_target logmark_tg_reg = {
 };
 
 static struct xtables_target logmark_tg6_reg = {
-	.version       = IPTABLES_VERSION,
+	.version       = XTABLES_VERSION,
 	.name          = "LOGMARK",
 	.revision      = 0,
 	.family        = AF_INET6,
diff --git a/extensions/libxt_TARPIT.c b/extensions/libxt_TARPIT.c
index 5946aa6..df78ecf 100644
--- a/extensions/libxt_TARPIT.c
+++ b/extensions/libxt_TARPIT.c
@@ -18,7 +18,7 @@ static void tarpit_tg_check(unsigned int flags)
 }
 
 static struct xtables_target tarpit_tg_reg = {
-	.version       = IPTABLES_VERSION,
+	.version       = XTABLES_VERSION,
 	.name          = "TARPIT",
 	.family        = AF_INET,
 	.size          = XT_ALIGN(0),
diff --git a/extensions/libxt_TEE.c b/extensions/libxt_TEE.c
index e4373dd..bfb6053 100644
--- a/extensions/libxt_TEE.c
+++ b/extensions/libxt_TEE.c
@@ -94,7 +94,7 @@ static void tee_tg_save(const void *ip, const struct xt_entry_target *target)
 
 static struct xtables_target tee_tg_reg = {
 	.name          = "TEE",
-	.version       = IPTABLES_VERSION,
+	.version       = XTABLES_VERSION,
 	.size          = XT_ALIGN(sizeof(struct xt_tee_tginfo)),
 	.userspacesize = XT_ALIGN(sizeof(struct xt_tee_tginfo)),
 	.help          = tee_tg_help,
diff --git a/extensions/libxt_portscan.c b/extensions/libxt_portscan.c
index 8cea3b6..61ed702 100644
--- a/extensions/libxt_portscan.c
+++ b/extensions/libxt_portscan.c
@@ -100,7 +100,7 @@ static void portscan_mt_save(const void *ip, const struct xt_entry_match *match)
 }
 
 static struct xtables_match portscan_mt_reg = {
-	.version       = IPTABLES_VERSION,
+	.version       = XTABLES_VERSION,
 	.name          = "portscan",
 	.revision      = 0,
 	.family        = AF_INET,