diff --git a/src/ip.cpp b/src/ip.cpp
index d3a8276..8969fb3 100644
--- a/src/ip.cpp
+++ b/src/ip.cpp
@@ -177,7 +177,7 @@ void IP::init_ip_fields() {
 }
 
 bool IP::is_fragmented() const {
-    return flags() == IP::MORE_FRAGMENTS || fragment_offset() != 0;
+    return (flags() & IP::MORE_FRAGMENTS) != 0 || fragment_offset() != 0;
 }
 
 // Setters
diff --git a/src/ip_reassembler.cpp b/src/ip_reassembler.cpp
index 4b53045..02e355e 100644
--- a/src/ip_reassembler.cpp
+++ b/src/ip_reassembler.cpp
@@ -55,7 +55,8 @@ void IPv4Stream::add_fragment(IP* ip) {
     }
     fragments_.insert(it, IPv4Fragment(ip->inner_pdu(), offset));
     received_size_ += ip->inner_pdu()->size();
-    if (ip->flags() != IP::MORE_FRAGMENTS) {
+    // If the MF flag is off
+    if ((ip->flags() & IP::MORE_FRAGMENTS) == 0) {
         total_size_ = offset + ip->inner_pdu()->size();
         received_end_ = true;
     }
diff --git a/tests/src/ip_reassembler.cpp b/tests/src/ip_reassembler.cpp
index 4bca051..68b9832 100644
--- a/tests/src/ip_reassembler.cpp
+++ b/tests/src/ip_reassembler.cpp
@@ -5,6 +5,7 @@
 #include "ip_reassembler.h"
 #include "ethernetII.h"
 #include "udp.h"
+#include "ip.h"
 #include "rawpdu.h"
 
 using namespace Tins;
@@ -74,3 +75,30 @@ TEST_F(IPv4ReassemblerTest, Reassemble) {
         test_packets(vt);
     }
 }
+
+TEST_F(IPv4ReassemblerTest, PacketHasMFAndDF) {
+    const uint8_t raw_packet1[] = {
+        0, 80, 86, 173, 75, 110, 170, 0, 4, 0, 10, 4, 8, 0, 69, 0, 0, 124, 146,
+        205, 96, 0, 64, 6, 107, 153, 7, 7, 7, 7, 7, 7, 7, 1, 152, 191, 0, 80,
+        160, 119, 38, 106, 125, 14, 42, 154, 128, 24, 0, 115, 148, 65, 0, 0, 1,
+        1, 8, 10, 4, 255, 180, 163, 4, 255, 176, 151, 71, 69, 84, 32, 47, 49, 46,
+        104, 116, 109, 108, 63, 32, 72, 84, 84, 80, 47, 49, 46, 49, 13, 10, 85,
+        115, 101, 114, 45, 65, 103, 101, 110, 116, 58, 32, 87, 103, 101, 116,
+        47, 49, 46, 49, 51, 46, 52, 32, 40, 108, 105, 110, 117, 120, 45, 103,
+        110, 117, 41, 13, 10, 65, 99, 99, 101, 112, 116, 58, 32, 42, 47, 42, 13
+    };
+    const uint8_t raw_packet2[] = {
+        0, 80, 86, 173, 75, 110, 170, 0, 4, 0, 10, 4, 8, 0, 69, 0, 0, 62, 146,
+        205, 64, 13, 64, 6, 139, 202, 7, 7, 7, 7, 7, 7, 7, 1, 10, 72, 111, 115,
+        116, 58, 32, 55, 46, 55, 46, 55, 46, 49, 13, 10, 67, 111, 110, 110,
+        101, 99, 116, 105, 111, 110, 58, 32, 75, 101, 101, 112, 45, 65, 108,
+        105, 118, 101, 13, 10, 13, 10
+    };
+    EthernetII packet1(raw_packet1, sizeof(raw_packet1));
+    EthernetII packet2(raw_packet2, sizeof(raw_packet2));
+    EXPECT_TRUE(packet1.rfind_pdu<IP>().is_fragmented());
+    EXPECT_TRUE(packet2.rfind_pdu<IP>().is_fragmented());
+    IPv4Reassembler reassembler;
+    EXPECT_EQ(IPv4Reassembler::FRAGMENTED, reassembler.process(packet1));
+    EXPECT_EQ(IPv4Reassembler::REASSEMBLED, reassembler.process(packet2));
+}