diff --git a/dlls/ntdll/time.c b/dlls/ntdll/time.c
index c79bcf79d27..048c549671e 100644
--- a/dlls/ntdll/time.c
+++ b/dlls/ntdll/time.c
@@ -831,8 +831,9 @@ NTSTATUS WINAPI NtSetSystemTime(const LARGE_INTEGER *NewTime, LARGE_INTEGER *Old
 
     ERR("Cannot set time to %d/%d/%d %d:%d:%d Time adjustment %ld %s\n",
             tf.Year, tf.Month, tf.Day, tf.Hour, tf.Minute, tf.Second,
-            sec-oldsec, err == -1 ? "No Permission" :
-                sec == (time_t)-1 ? "" : "is too large." );
+            (long)(sec-oldsec),
+            err == -1 ? "No Permission"
+                      : sec == (time_t)-1 ? "" : "is too large." );
 
     if(err == 2)
         return STATUS_INVALID_PARAMETER;
diff --git a/tools/wmc/write.c b/tools/wmc/write.c
index 814add81143..bccb1374962 100644
--- a/tools/wmc/write.c
+++ b/tools/wmc/write.c
@@ -170,8 +170,8 @@ void write_h_file(const char *fname)
 	cptr = ctime(&now);
 	killnl(cptr, 0);
 	fprintf(fp, str_header, input_name ? input_name : "<stdin>", cmdline, cptr);
-	fprintf(fp, "#ifndef __WMCGENERATED_%08lx_H\n", now);
-	fprintf(fp, "#define __WMCGENERATED_%08lx_H\n", now);
+	fprintf(fp, "#ifndef __WMCGENERATED_%08lx_H\n", (long)now);
+	fprintf(fp, "#define __WMCGENERATED_%08lx_H\n", (long)now);
 	fprintf(fp, "\n");
 
 	/* Write severity and facility aliases */