1 files changed, 4 insertions, 1 deletions

diff --git a/plugins-root/check_icmp.c b/plugins-root/check_icmp.c
index 01ae174..f97b0ed 100644
--- a/plugins-root/check_icmp.c
+++ b/plugins-root/check_icmp.c
@@ -410,6 +410,7 @@ main(int argc, char **argv)
 #ifdef SO_TIMESTAMP
         int on = 1;
 #endif
+        char *source_ip = NULL;
         char * opts_str = "vhVw:c:n:p:t:H:s:i:b:I:l:m:64";
 
         setlocale (LC_ALL, "");
@@ -542,7 +543,7 @@ main(int argc, char **argv)
                                 }
                                 break;
                         case 's': /* specify source IP address */
-                                set_source_ip(optarg);
+                                source_ip = optarg;
                                 break;
                         case 'V': /* version */
                                 print_revision (progname, NP_VERSION);
@@ -597,6 +598,8 @@ main(int argc, char **argv)
                 sockets |= HAVE_ICMP;
         else icmp_sockerrno = errno;
 
+        if( source_ip )
+                set_source_ip(source_ip);
 
 #ifdef SO_TIMESTAMP
         if(setsockopt(icmp_sock, SOL_SOCKET, SO_TIMESTAMP, &on, sizeof(on)))