diff --git a/components/heap/test/test_realloc.c b/components/heap/test/test_realloc.c
index 763cddab6..ed2fe17b3 100644
--- a/components/heap/test/test_realloc.c
+++ b/components/heap/test/test_realloc.c
@@ -7,6 +7,7 @@
 #include "unity.h"
 #include "sdkconfig.h"
 #include "esp_heap_caps.h"
+#include "soc/soc_memory_layout.h"
 
 
 #ifndef CONFIG_HEAP_POISONING_COMPREHENSIVE
@@ -22,6 +23,21 @@ TEST_CASE("realloc shrink buffer in place", "[heap]")
 
 #endif
 
+TEST_CASE("realloc shrink buffer with EXEC CAPS", "[heap]")
+{
+    const size_t buffer_size = 64;
+
+    void *x = heap_caps_malloc(buffer_size, MALLOC_CAP_EXEC);
+    TEST_ASSERT(x);
+    void *y = heap_caps_realloc(x, buffer_size - 16, MALLOC_CAP_EXEC);
+    TEST_ASSERT(y);
+
+    //y needs to fall in a compatible memory area of IRAM:
+    TEST_ASSERT(esp_ptr_executable(y));
+    
+    free(y);
+}
+
 TEST_CASE("realloc move data to a new heap type", "[heap]")
 {
     const char *test = "I am some test content to put in the heap";