diff --git a/src/detect-engine-address.c b/src/detect-engine-address.c
index 694a764aca..9700097b3a 100644
--- a/src/detect-engine-address.c
+++ b/src/detect-engine-address.c
@@ -1684,7 +1684,8 @@ int DetectAddressCmp(DetectAddress *a, DetectAddress *b)
  *
  *  \todo array should be ordered, so we can break out of the loop
  */
-int DetectAddressMatchIPv4(DetectMatchAddressIPv4 *addrs, uint16_t addrs_cnt, Address *a)
+int DetectAddressMatchIPv4(const DetectMatchAddressIPv4 *addrs,
+        uint16_t addrs_cnt, const Address *a)
 {
     SCEnter();
 
@@ -1718,7 +1719,8 @@ int DetectAddressMatchIPv4(DetectMatchAddressIPv4 *addrs, uint16_t addrs_cnt, Ad
  *
  *  \todo array should be ordered, so we can break out of the loop
  */
-int DetectAddressMatchIPv6(DetectMatchAddressIPv6 *addrs, uint16_t addrs_cnt, Address *a)
+int DetectAddressMatchIPv6(const DetectMatchAddressIPv6 *addrs,
+        uint16_t addrs_cnt, const Address *a)
 {
     SCEnter();
 
diff --git a/src/detect-engine-address.h b/src/detect-engine-address.h
index d1944c1154..c01b20e6b2 100644
--- a/src/detect-engine-address.h
+++ b/src/detect-engine-address.h
@@ -52,8 +52,8 @@ DetectAddress *DetectAddressCopy(DetectAddress *);
 void DetectAddressPrint(DetectAddress *);
 int DetectAddressCmp(DetectAddress *, DetectAddress *);
 
-int DetectAddressMatchIPv4(DetectMatchAddressIPv4 *, uint16_t, Address *);
-int DetectAddressMatchIPv6(DetectMatchAddressIPv6 *, uint16_t, Address *);
+int DetectAddressMatchIPv4(const DetectMatchAddressIPv4 *, uint16_t, const Address *);
+int DetectAddressMatchIPv6(const DetectMatchAddressIPv6 *, uint16_t, const Address *);
 
 int DetectAddressTestConfVars(void);