diff --git a/pkg/tinydtls/doc.txt b/pkg/tinydtls/doc.txt
index afab4ae621..3a4f7bf5ea 100644
--- a/pkg/tinydtls/doc.txt
+++ b/pkg/tinydtls/doc.txt
@@ -62,13 +62,6 @@
  */
 #ifndef CONFIG_DTLS_CONTEXT_MAX
 #define CONFIG_DTLS_CONTEXT_MAX    (2)
-#endif
-
- /**
- * @brief The maximum number DTLS peers (i.e. sessions)
- */
-#ifndef CONFIG_DTLS_PEER_MAX
-#define CONFIG_DTLS_PEER_MAX       (1)
 #endif
 
  /**
diff --git a/sys/include/net/dtls.h b/sys/include/net/dtls.h
index 4a1af9ed97..bfc9dada4e 100644
--- a/sys/include/net/dtls.h
+++ b/sys/include/net/dtls.h
@@ -40,6 +40,13 @@
 extern "C" {
 #endif
 
+/**
+ * @brief The maximum number DTLS peers (i.e. sessions)
+ */
+#ifndef CONFIG_DTLS_PEER_MAX
+#define CONFIG_DTLS_PEER_MAX       (1)
+#endif
+
 #ifdef __cplusplus
 }
 #endif