2 files changed, 2 insertions, 2 deletions
diff --git a/version.h b/version.h
index efbaf03c7d..e5f8bcfa96 100644
--- a/version.h
+++ b/version.h
@@ -11,7 +11,7 @@
 # define RUBY_VERSION_MINOR RUBY_API_VERSION_MINOR
 #define RUBY_VERSION_TEENY 0
 #define RUBY_RELEASE_DATE RUBY_RELEASE_YEAR_STR"-"RUBY_RELEASE_MONTH_STR"-"RUBY_RELEASE_DAY_STR
-#define RUBY_PATCHLEVEL 17
+#define RUBY_PATCHLEVEL 18
 
 #include "ruby/version.h"
 #include "ruby/internal/abi.h"
diff --git a/vm.c b/vm.c
index 4c2ef9834e..d009a5f64a 100644
--- a/vm.c
+++ b/vm.c
@@ -2732,7 +2732,7 @@ rb_vm_each_stack_value(void *ptr, void (*cb)(VALUE, void*), void *ctx)
                     if (ec->vm_stack) {
                         VALUE *p = ec->vm_stack;
                         VALUE *sp = ec->cfp->sp;
-                        while (p <= sp) {
+                        while (p < sp) {
                             if (!rb_special_const_p(*p)) {
                                 cb(*p, ctx);
                             }