diff --git a/src/firewall/core/nftables.py b/src/firewall/core/nftables.py
index ff077ad..e690742 100644
--- a/src/firewall/core/nftables.py
+++ b/src/firewall/core/nftables.py
@@ -1767,7 +1767,7 @@ class nftables(object):
 
         # Some types need the interval flag
         for t in type.split(":")[1].split(","):
-            if t in ["net", "port"]:
+            if t in ["ip", "net", "port"]:
                 set_dict["flags"] = ["interval"]
                 break
 
diff --git a/src/tests/cli/firewall-cmd.at b/src/tests/cli/firewall-cmd.at
index 67af8a1..4507377 100644
--- a/src/tests/cli/firewall-cmd.at
+++ b/src/tests/cli/firewall-cmd.at
@@ -974,6 +974,7 @@ FWD_START_TEST([ipset])
         table inet firewalld {
             set foobar {
                 type ipv4_addr . mark
+                flags interval
                 elements = { 10.10.10.10 . 0x00000100,
                              20.20.20.20 . 0x00000200 }
             }
diff --git a/src/tests/regression/gh330.at b/src/tests/regression/gh330.at
index fd8d2f8..0564501 100644
--- a/src/tests/regression/gh330.at
+++ b/src/tests/regression/gh330.at
@@ -17,6 +17,7 @@ NFT_LIST_SET([foobar], 0, [dnl
     table inet firewalld {
         set foobar {
             type ipv4_addr
+            flags interval
             elements = { 1.2.3.4 }
         }
     }
@@ -43,6 +44,7 @@ NFT_LIST_SET([foobar], 0, [dnl
     table inet firewalld {
         set foobar {
             type ipv4_addr
+            flags interval
             elements = { 1.2.3.4, 10.10.10.10 }
         }
     }
@@ -60,6 +62,7 @@ NFT_LIST_SET([foobar], 0, [dnl
     table inet firewalld {
         set foobar {
             type ipv4_addr
+            flags interval
             elements = { 1.2.3.4, 10.10.10.10 }
         }
     }
@@ -80,6 +83,7 @@ NFT_LIST_SET([foobar], 0, [dnl
     table inet firewalld {
         set foobar {
             type ipv4_addr
+            flags interval
             elements = { 1.2.3.4, 4.3.2.1,
                          10.10.10.10 }
         }
@@ -104,6 +108,7 @@ NFT_LIST_SET([foobar], 0, [dnl
     table inet firewalld {
         set foobar {
             type ipv4_addr
+            flags interval
             elements = { 1.2.3.4, 4.3.2.1,
                          6.6.6.6, 10.10.10.10 }
         }
@@ -129,6 +134,7 @@ NFT_LIST_SET([foobar], 0, [dnl
     table inet firewalld {
         set foobar {
             type ipv4_addr
+            flags interval
             elements = { 1.2.3.4 }
         }
     }
diff --git a/src/tests/regression/rhbz1734765.at b/src/tests/regression/rhbz1734765.at
index b9f6aa5..b5023a0 100644
--- a/src/tests/regression/rhbz1734765.at
+++ b/src/tests/regression/rhbz1734765.at
@@ -47,6 +47,7 @@ NFT_LIST_SET([ipsetv4], 0, [dnl
     table inet firewalld {
         set ipsetv4 {
             type ipv4_addr
+            flags interval
             elements = { 192.0.2.12 }
         }
     }
@@ -55,6 +56,7 @@ NFT_LIST_SET([ipsetv6], 0, [dnl
     table inet firewalld {
         set ipsetv6 {
             type ipv6_addr
+            flags interval
             elements = { ::2 }
         }
     }