diff --git a/includes/client.hpp b/includes/client.hpp
index a81a360..308aced 100644
--- a/includes/client.hpp
+++ b/includes/client.hpp
@@ -46,7 +46,7 @@ public:
 		this->address = std::string(address);
 
 		/* Check to see if the given IP address matches the given ip_ver */
-		if ((check_ip_ver(address) == 4 && ip_ver == 6) || (check_ip_ver(address) == 6 && ip_ver == 4)) {
+		if ((check_ip_ver(address) != 6 && ip_ver == 6) || (check_ip_ver(address) != 4 && ip_ver == 4)) {
 			throw std::invalid_argument("Invalid IP address for given type.");
 		}
 
diff --git a/includes/server.hpp b/includes/server.hpp
index 48f2511..b1d9500 100644
--- a/includes/server.hpp
+++ b/includes/server.hpp
@@ -46,7 +46,7 @@ public:
 		this->address = std::string(address);
 
 		/* Check to see if the given IP address matches the given ip_ver */
-		if ((check_ip_ver(address) == 4 && ip_ver == 6) || (check_ip_ver(address) == 6 && ip_ver == 4)) {
+                if ((check_ip_ver(address) != 6 && ip_ver == 6) || (check_ip_ver(address) != 4 && ip_ver == 4)) {
 			throw std::invalid_argument("Invalid IP address for given type.");
 		}