diff --git a/src/add-ons/kernel/network/stack/interfaces.cpp b/src/add-ons/kernel/network/stack/interfaces.cpp
index f7f6a4dcf7..fb13c5cfca 100644
--- a/src/add-ons/kernel/network/stack/interfaces.cpp
+++ b/src/add-ons/kernel/network/stack/interfaces.cpp
@@ -409,8 +409,16 @@ InterfaceAddress::Prepare(sockaddr** _address, size_t size)
 
 	sockaddr* address = *_address;
 
-	if (address == NULL || size > address->sa_len)
-		address = (sockaddr*)realloc(address, size);
+	if (address == NULL || size > address->sa_len) {
+		sockaddr* resized = (sockaddr*)realloc(address, size);
+
+		if (resized == NULL) {
+			free(address);
+			return NULL;
+		}
+
+		address = resized;
+	}
 
 	address->sa_len = size;