1 files changed, 1 insertions, 1 deletions
diff --git a/vm_dump.c b/vm_dump.c
index 2c920b51d7..dc2f0a65d7 100644
--- a/vm_dump.c
+++ b/vm_dump.c
@@ -690,7 +690,7 @@ rb_print_backtrace(void)
 #if HAVE_BACKTRACE
 #define MAX_NATIVE_TRACE 1024
     static void *trace[MAX_NATIVE_TRACE];
-    int n = backtrace(trace, MAX_NATIVE_TRACE);
+    int n = (int)backtrace(trace, MAX_NATIVE_TRACE);
 #if defined(USE_ELF) && defined(HAVE_DLADDR)
     rb_dump_backtrace_with_lines(n, trace);
 #else