diff --git a/examples/tasks_pthreads.cpp b/examples/tasks_pthreads.cpp
index 6e4e6fcb..90cdccd0 100644
--- a/examples/tasks_pthreads.cpp
+++ b/examples/tasks_pthreads.cpp
@@ -54,6 +54,9 @@
 #include <stdint.h>
 #include <stdlib.h>
 #include <errno.h>
+#ifdef ISPC_IS_LINUX
+#include <malloc.h>
+#endif
 
 static int initialized = 0;
 static volatile int32_t lock = 0;
diff --git a/ispc_test.cpp b/ispc_test.cpp
index d6a45ef3..fbca0141 100644
--- a/ispc_test.cpp
+++ b/ispc_test.cpp
@@ -49,6 +49,9 @@
 #include <stdint.h>
 #include <stdlib.h>
 #include <memory.h>
+#ifdef ISPC_IS_LINUX
+#include <malloc.h>
+#endif
 
 #ifdef ISPC_HAVE_SVML
 #include <xmmintrin.h>
diff --git a/test_static.cpp b/test_static.cpp
index 8945b816..38be15c8 100644
--- a/test_static.cpp
+++ b/test_static.cpp
@@ -43,6 +43,9 @@
 #include <stdio.h>
 #include <assert.h>
 #include <stdint.h>
+#ifdef ISPC_IS_LINUX
+#include <malloc.h>
+#endif
 
 extern "C" {
     extern int width();