diff --git a/apache2/msc_util.c b/apache2/msc_util.c
index 8f9d3d0e..1e20473d 100644
--- a/apache2/msc_util.c
+++ b/apache2/msc_util.c
@@ -834,7 +834,9 @@ char *m_strcasestr(const char *haystack, const char *needle) {
 int inet_pton(int family, const char *src, void *dst)   {
     struct addrinfo addr;
     struct sockaddr_in *in = NULL;
+#if APR_HAVE_IPV6
     struct sockaddr_in6 *in6 = NULL;
+#endif
     struct addrinfo *addr_info = NULL;
 
     memset(&addr, 0, sizeof(struct addrinfo));
@@ -849,11 +851,13 @@ int inet_pton(int family, const char *src, void *dst)   {
             if(in != NULL)
                 memcpy(dst, &in->sin_addr, 4);
         }
+#if APR_HAVE_IPV6
         else if (addr_info->ai_family == AF_INET6) {
             in6 = (struct sockaddr_in6*)addr_info->ai_addr;
             if(in6 != NULL)
                 memcpy(dst, &in6->sin6_addr, 16);
         }
+#endif
         else {
             freeaddrinfo(addr_info);
             return -1;
diff --git a/apache2/re_operators.c b/apache2/re_operators.c
index 9c0628db..d8638c46 100644
--- a/apache2/re_operators.c
+++ b/apache2/re_operators.c
@@ -305,7 +305,9 @@ static int msre_op_ipmatchFromFile_param_init(msre_rule *rule, char **error_msg)
 static int msre_op_ipmatchFromFile_execute(modsec_rec *msr, msre_rule *rule, msre_var *var, char **error_msg) {
     TreeRoot *rtree = rule->op_param_data;
     struct in_addr in;
+#if APR_HAVE_IPV6
     struct in6_addr in6;
+#endif
 
     if (error_msg == NULL)
         return -1;
@@ -336,6 +338,7 @@ static int msre_op_ipmatchFromFile_execute(modsec_rec *msr, msre_rule *rule, msr
             return 1;
         }
     }
+#if APR_HAVE_IPV6
     else {
         if (inet_pton(AF_INET6, var->value, &in6) <= 0) {
             if (msr->txcfg->debuglog_level >= 9) {
@@ -350,6 +353,7 @@ static int msre_op_ipmatchFromFile_execute(modsec_rec *msr, msre_rule *rule, msr
             return 1;
         }
     }
+#endif
 
     return 0;
 }