diff --git a/test/simple-memory-corruption/overflow_large_1_byte.c b/test/simple-memory-corruption/overflow_large_1_byte.c
index d9402c6..b759654 100644
--- a/test/simple-memory-corruption/overflow_large_1_byte.c
+++ b/test/simple-memory-corruption/overflow_large_1_byte.c
@@ -1,3 +1,4 @@
+#include <malloc.h>
 #include <stdlib.h>
 
 #include "../test_util.h"
diff --git a/test/simple-memory-corruption/overflow_large_8_byte.c b/test/simple-memory-corruption/overflow_large_8_byte.c
index d6b7544..a067420 100644
--- a/test/simple-memory-corruption/overflow_large_8_byte.c
+++ b/test/simple-memory-corruption/overflow_large_8_byte.c
@@ -1,3 +1,4 @@
+#include <malloc.h>
 #include <stdlib.h>
 
 #include "../test_util.h"
diff --git a/test/simple-memory-corruption/overflow_small_1_byte.c b/test/simple-memory-corruption/overflow_small_1_byte.c
index 86529c8..3aa8206 100644
--- a/test/simple-memory-corruption/overflow_small_1_byte.c
+++ b/test/simple-memory-corruption/overflow_small_1_byte.c
@@ -1,3 +1,4 @@
+#include <malloc.h>
 #include <stdlib.h>
 
 #include "../test_util.h"
diff --git a/test/simple-memory-corruption/overflow_small_8_byte.c b/test/simple-memory-corruption/overflow_small_8_byte.c
index 8b462a0..fd9666e 100644
--- a/test/simple-memory-corruption/overflow_small_8_byte.c
+++ b/test/simple-memory-corruption/overflow_small_8_byte.c
@@ -1,3 +1,4 @@
+#include <malloc.h>
 #include <stdlib.h>
 
 #include "../test_util.h"