diff --git a/tests/server/rtspd.c b/tests/server/rtspd.c
index 97aad7a76c..4edaeb86a8 100644
--- a/tests/server/rtspd.c
+++ b/tests/server/rtspd.c
@@ -810,8 +810,8 @@ static int send_doc(curl_socket_t sock, struct httprequest *req)
     case DOCNUMBER_WERULEZ:
       /* we got a "friends?" question, reply back that we sure are */
       logmsg("Identifying ourselves as friends");
-      msnprintf(msgbuf, sizeof(msgbuf), "RTSP_SERVER WE ROOLZ: %ld\r\n",
-                (long)getpid());
+      msnprintf(msgbuf, sizeof(msgbuf), "RTSP_SERVER WE ROOLZ: %"
+                CURL_FORMAT_CURL_OFF_T "\r\n", our_getpid());
       msglen = strlen(msgbuf);
       msnprintf(weare, sizeof(weare),
                 "HTTP/1.1 200 OK\r\nContent-Length: %zu\r\n\r\n%s",
diff --git a/tests/server/sws.c b/tests/server/sws.c
index 010e5ae1d0..3fc913b3f8 100644
--- a/tests/server/sws.c
+++ b/tests/server/sws.c
@@ -994,7 +994,8 @@ static int send_doc(curl_socket_t sock, struct httprequest *req)
     case DOCNUMBER_WERULEZ:
       /* we got a "friends?" question, reply back that we sure are */
       logmsg("Identifying ourselves as friends");
-      msnprintf(msgbuf, sizeof(msgbuf), "WE ROOLZ: %ld\r\n", (long)getpid());
+      msnprintf(msgbuf, sizeof(msgbuf), "WE ROOLZ: %"
+                CURL_FORMAT_CURL_OFF_T "\r\n", our_getpid());
       msglen = strlen(msgbuf);
       if(use_gopher)
         msnprintf(weare, sizeof(weare), "%s", msgbuf);
diff --git a/tests/server/tftpd.c b/tests/server/tftpd.c
index 92d584918f..8caa3491f0 100644
--- a/tests/server/tftpd.c
+++ b/tests/server/tftpd.c
@@ -1065,8 +1065,8 @@ static int validate_access(struct testcase *test,
 
   if(!strncmp("verifiedserver", filename, 14)) {
     char weare[128];
-    size_t count = msnprintf(weare, sizeof(weare),
-                             "WE ROOLZ: %ld\r\n", (long)getpid());
+    size_t count = msnprintf(weare, sizeof(weare), "WE ROOLZ: %"
+                             CURL_FORMAT_CURL_OFF_T "\r\n", our_getpid());
 
     logmsg("Are-we-friendly question received");
     test->buffer = strdup(weare);
diff --git a/tests/server/util.c b/tests/server/util.c
index 38d6395c59..284f347cfd 100644
--- a/tests/server/util.c
+++ b/tests/server/util.c
@@ -269,17 +269,11 @@ int wait_ms(int timeout_ms)
   return r;
 }
 
-int write_pidfile(const char *filename)
+curl_off_t our_getpid(void)
 {
-  FILE *pidfile;
   curl_off_t pid;
 
   pid = (curl_off_t)getpid();
-  pidfile = fopen(filename, "wb");
-  if(!pidfile) {
-    logmsg("Couldn't write pid file: %s %s", filename, strerror(errno));
-    return 0; /* fail */
-  }
 #if defined(WIN32) || defined(_WIN32)
   /* store pid + 65536 to avoid conflict with Cygwin/msys PIDs, see also:
    * - https://cygwin.com/git/?p=newlib-cygwin.git;a=commit; ↵
@@ -289,6 +283,20 @@ int write_pidfile(const char *filename)
    */
   pid += 65536;
 #endif
+  return pid;
+}
+
+int write_pidfile(const char *filename)
+{
+  FILE *pidfile;
+  curl_off_t pid;
+
+  pid = our_getpid();
+  pidfile = fopen(filename, "wb");
+  if(!pidfile) {
+    logmsg("Couldn't write pid file: %s %s", filename, strerror(errno));
+    return 0; /* fail */
+  }
   fprintf(pidfile, "%" CURL_FORMAT_CURL_OFF_T "\n", pid);
   fclose(pidfile);
   logmsg("Wrote pid %" CURL_FORMAT_CURL_OFF_T " to %s", pid, filename);
diff --git a/tests/server/util.h b/tests/server/util.h
index 68473f28f2..4c93611178 100644
--- a/tests/server/util.h
+++ b/tests/server/util.h
@@ -60,6 +60,7 @@ void win32_cleanup(void);
 FILE *test2fopen(long testno);
 
 int wait_ms(int timeout_ms);
+curl_off_t our_getpid(void);
 int write_pidfile(const char *filename);
 int write_portfile(const char *filename, int port);
 void set_advisor_read_lock(const char *filename);