diff --git a/src/lte/model/lte-spectrum-phy.h b/src/lte/model/lte-spectrum-phy.h
index 4c6785d08..f5703b074 100644
--- a/src/lte/model/lte-spectrum-phy.h
+++ b/src/lte/model/lte-spectrum-phy.h
@@ -35,6 +35,7 @@
 #include <ns3/data-rate.h>
 #include <ns3/phy-mac.h>
 #include <ns3/packet-burst.h>
+#include <ns3/event-id.h>
 
 namespace ns3 {
 
diff --git a/src/spectrum/model/half-duplex-ideal-phy.h b/src/spectrum/model/half-duplex-ideal-phy.h
index 7406d8259..d028d9ad2 100644
--- a/src/spectrum/model/half-duplex-ideal-phy.h
+++ b/src/spectrum/model/half-duplex-ideal-phy.h
@@ -33,6 +33,7 @@
 #include <ns3/spectrum-interference.h>
 #include <ns3/data-rate.h>
 #include <ns3/phy-mac.h>
+#include <ns3/event-id.h>
 
 namespace ns3 {