diff --git a/src/shogun/converter/Converter.h b/src/shogun/converter/Converter.h
index 6fca4de7db2..7101fdf60f8 100644
--- a/src/shogun/converter/Converter.h
+++ b/src/shogun/converter/Converter.h
@@ -11,6 +11,8 @@
 #ifndef CONVERTER_H_
 #define CONVERTER_H_
 
+#include <shogun/lib/config.h>
+
 #include <shogun/lib/common.h>
 #include <shogun/base/SGObject.h>
 #include <shogun/features/Features.h>
diff --git a/src/shogun/converter/EmbeddingConverter.h b/src/shogun/converter/EmbeddingConverter.h
index 85d08c45a64..1b817e94956 100644
--- a/src/shogun/converter/EmbeddingConverter.h
+++ b/src/shogun/converter/EmbeddingConverter.h
@@ -11,6 +11,8 @@
 #ifndef EMBEDDINGCONVERTER_H_
 #define EMBEDDINGCONVERTER_H_
 
+#include <shogun/lib/config.h>
+
 #include <shogun/converter/Converter.h>
 #include <shogun/features/Features.h>
 #include <shogun/features/DenseFeatures.h>
diff --git a/src/shogun/converter/HashedDocConverter.h b/src/shogun/converter/HashedDocConverter.h
index 272c981185f..c98370e8d71 100644
--- a/src/shogun/converter/HashedDocConverter.h
+++ b/src/shogun/converter/HashedDocConverter.h
@@ -11,6 +11,8 @@
 #ifndef _HASHEDDOCCONVERTER__H__
 #define _HASHEDDOCCONVERTER__H__
 
+#include <shogun/lib/config.h>
+
 #include <shogun/converter/Converter.h>
 #include <shogun/features/Features.h>
 #include <shogun/lib/Tokenizer.h>