diff --git a/Helpers/RFX_AE_Utils.h b/Helpers/RFX_AE_Utils.h
index b65428f..769292d 100644
--- a/Helpers/RFX_AE_Utils.h
+++ b/Helpers/RFX_AE_Utils.h
@@ -52,6 +52,7 @@
 
 #include <cmath>
 #include <string>
+#include <cassert>
 
 #include "RFX_Utils.h"
 #include "RFX_Parameter.h"
diff --git a/Helpers/RFX_OFX_Utils.h b/Helpers/RFX_OFX_Utils.h
index 6acbe8c..b9fa428 100644
--- a/Helpers/RFX_OFX_Utils.h
+++ b/Helpers/RFX_OFX_Utils.h
@@ -53,6 +53,7 @@
 #include <stdexcept>
 #include <new>
 #include <cstring>
+#include <cassert>
 #include <cmath>
 #include <cstdlib>
 #include <cstdio>
diff --git a/gmic_plugin.cpp b/gmic_plugin.cpp
index 1f098cc..c45801b 100644
--- a/gmic_plugin.cpp
+++ b/gmic_plugin.cpp
@@ -133,6 +133,7 @@ using namespace reduxfx;
 #include "gmic_stdlib_gmic.h"
 #include <sstream>
 #include <cstdlib>
+#include <cassert>
 #ifdef DEBUG
 #include <iostream>
 #endif