diff --git a/src/os.c b/src/os.c
index 1dbcb969..9db16fa1 100644
--- a/src/os.c
+++ b/src/os.c
@@ -552,6 +552,7 @@ void* _mi_os_remap(void* p, size_t size, size_t newsize, mi_memid_t* memid, mi_s
     return mi_os_remap_copy(p, size, newsize, alignment, memid, stats);
   }
 
+  mi_track_mem_defined(newp, size);
   newmemid.initially_committed = true;
   if (p == NULL && extend_is_zero) {
     newmemid.initially_zero = true;
diff --git a/test/main-override-static.c b/test/main-override-static.c
index 1427bdf2..fb368309 100644
--- a/test/main-override-static.c
+++ b/test/main-override-static.c
@@ -20,12 +20,14 @@ static void alloc_huge(void);
 static void test_heap_walk(void);
 static void test_remap(bool start_remappable);
 static void test_remap2(void);
+static void test_remap3(void);
 
 int main() {
   mi_version();
   mi_stats_reset();
 
-  test_remap2();
+  //test_remap2();
+  test_remap3();
   //test_remap(true);
   
   // detect double frees and heap corruption
@@ -221,7 +223,7 @@ static void test_heap_walk(void) {
   mi_heap_visit_blocks(heap, true, &test_visit, NULL);
 }
 
-static void test_remap2(void) {
+static void test_remap2(void) {     // By Jason Gibson
   int* p = (int*)mi_malloc(356);
   p = (int*)mi_realloc(p, 583);
   memset(p, '\0', 580);
@@ -230,6 +232,21 @@ static void test_remap2(void) {
   mi_free(p);
 }
 
+static void test_remap3(void) {    // by Jason Gibson
+  int* x = (int*)mi_malloc(438);
+  x = (int*)mi_realloc(x, 1500705);
+
+  x = (int*)mi_realloc(x, 3000711);
+  x = (int*)mi_realloc(x, 6000723);
+  x = (int*)mi_realloc(x, 10500741);
+  x = (int*)mi_realloc(x, 16500765);
+  x = (int*)mi_realloc(x, 25500801);
+  x = (int*)mi_realloc(x, 39000855);
+  x = (int*)mi_realloc(x, 60000939);
+
+  mi_free(x);
+}
+
 static void test_remap(bool start_remappable) {
   const size_t iterN = 100;
   const size_t size0 = 64 * 1024 * 1024;