diff --git a/configure.ac b/configure.ac
index 1b95ee48..211689d2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -387,7 +387,7 @@ AC_FUNC_MEMCMP
 AC_FUNC_VPRINTF
 WM_FUNC_SECURE_GETENV
 AC_CHECK_FUNCS(gethostname select poll strcasecmp strncasecmp \
-	       setsid mallinfo mkstemp sysconf)
+	       setsid mallinfo2 mkstemp sysconf)
 AC_SEARCH_LIBS([strerror], [cposix])
 
 dnl nanosleep is generally available in standard libc, although not always the
diff --git a/src/dialog.c b/src/dialog.c
index 4c5d7b37..7f3a0ef4 100755
--- a/src/dialog.c
+++ b/src/dialog.c
@@ -1320,14 +1320,15 @@ void wShowInfoPanel(WScreen *scr)
 		break;
 	}
 
-#if defined(HAVE_MALLOC_H) && defined(HAVE_MALLINFO)
+#if defined(HAVE_MALLOC_H) && defined(HAVE_MALLINFO2)
+
 	{
-		struct mallinfo ma = mallinfo();
+		struct mallinfo2 ma = mallinfo2();
 		snprintf(buffer, sizeof(buffer),
 #ifdef DEBUG
-					_("Total memory allocated: %i kB (in use: %i kB, %d free chunks).\n"),
+					_("Total memory allocated: %lu kB (in use: %lu kB, %lu free chunks).\n"),
 #else
-					_("Total memory allocated: %i kB (in use: %i kB).\n"),
+					_("Total memory allocated: %lu kB (in use: %lu kB).\n"),
 #endif
 					(ma.arena + ma.hblkhd) / 1024,
 					(ma.uordblks + ma.hblkhd) / 1024