diff --git a/src/ARM.cpp b/src/ARM.cpp
index 2c19fa30..c2f6a6c2 100644
--- a/src/ARM.cpp
+++ b/src/ARM.cpp
@@ -17,6 +17,7 @@
 */
 
 #include <stdio.h>
+#include <assert.h>
 #include <algorithm>
 #include "NDS.h"
 #include "DSi.h"
diff --git a/src/DSi.cpp b/src/DSi.cpp
index 468be4dc..ce716db6 100644
--- a/src/DSi.cpp
+++ b/src/DSi.cpp
@@ -17,6 +17,7 @@
 */
 
 #include <stdio.h>
+#include <assert.h>
 #include <string.h>
 #include <inttypes.h>
 #include "Args.h"