2 files changed, 2 insertions, 2 deletions
diff --git a/stc/cdeq.h b/stc/cdeq.h
index 8620f676..6cbc35ca 100644
--- a/stc/cdeq.h
+++ b/stc/cdeq.h
@@ -210,9 +210,9 @@
     STC_DEF void \
     cdeq_##X##_push_n(cdeq_##X *self, const cdeq_##X##_input_t arr[], size_t n) { \
         _cdeq_##X##_expand(self, n, false); \
-        _cdeq_size(self) += n; \
         cdeq_##X##_value_t* p = self->data + cdeq_size(*self); \
         for (size_t i=0; i < n; ++i) *p++ = valueFromRaw(arr[i]); \
+        _cdeq_size(self) += n; \
     } \
 \
     STC_DEF void \
diff --git a/stc/cvec.h b/stc/cvec.h
index 05963cae..ac5ae9e8 100644
--- a/stc/cvec.h
+++ b/stc/cvec.h
@@ -200,9 +200,9 @@
     STC_DEF void \
     cvec_##X##_push_n(cvec_##X *self, const cvec_##X##_input_t arr[], size_t n) { \
         cvec_##X##_reserve(self, cvec_size(*self) + n); \
-        _cvec_size(self) += n; \
         cvec_##X##_value_t* p = self->data + cvec_size(*self); \
         for (size_t i=0; i < n; ++i) *p++ = valueFromRaw(arr[i]); \
+        _cvec_size(self) += n; \
     } \
 \
     STC_DEF void \