diff --git a/Pcap++/CMakeLists.txt b/Pcap++/CMakeLists.txt
index dd9c6cb2b3..34c4d93254 100644
--- a/Pcap++/CMakeLists.txt
+++ b/Pcap++/CMakeLists.txt
@@ -37,11 +37,17 @@ if(PCAPPP_USE_DPDK)
     public_headers
     header/DpdkDevice.h
     header/DpdkDeviceList.h
-    $<$<BOOL:${PCAPPP_USE_DPDK_KNI}>:header/KniDevice.h>
-    $<$<BOOL:${PCAPPP_USE_DPDK_KNI}>:header/KniDeviceList.h>
     header/MBufRawPacket.h)
 endif()
 
+if(PCAPPP_USE_DPDK_KNI)
+  list(
+    APPEND
+    public_headers
+    header/KniDevice.h
+    header/KniDeviceList.h)
+endif()
+
 if(PCAPPP_USE_PF_RING)
   list(
     APPEND