diff --git a/CMakeLists.txt b/CMakeLists.txt
index 124cbb7..16f0c81 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1382,6 +1382,9 @@ else()
   if(NOT MINGW)
     add_library(objects OBJECT ${sources})
     set_property(TARGET objects PROPERTY POSITION_INDEPENDENT_CODE ON)
+    if(GNUTLS_FOUND)
+      target_include_directories(objects PRIVATE "${GNUTLS_INCLUDE_DIR}")
+    endif()
   endif()
 
   if(BUILD_SHARED)
@@ -1469,6 +1472,7 @@ if(BUILD_SHARED)
   target_link_libraries(libzmq ${CMAKE_THREAD_LIBS_INIT})
   if(GNUTLS_FOUND)
     target_link_libraries(libzmq ${GNUTLS_LIBRARIES})
+    target_include_directories(libzmq PRIVATE "${GNUTLS_INCLUDE_DIR}")
   endif()
 
   if(NSS3_FOUND)
@@ -1518,6 +1522,7 @@ if(BUILD_STATIC)
   target_link_libraries(libzmq-static ${CMAKE_THREAD_LIBS_INIT})
   if(GNUTLS_FOUND)
     target_link_libraries(libzmq-static ${GNUTLS_LIBRARIES})
+    target_include_directories(libzmq-static PRIVATE "${GNUTLS_INCLUDE_DIR}")
   endif()
 
   if(LIBBSD_FOUND)
@@ -1590,6 +1595,7 @@ if(BUILD_SHARED)
 
       if(GNUTLS_FOUND)
         target_link_libraries(${perf-tool} ${GNUTLS_LIBRARIES})
+        target_include_directories(${perf-tool} PRIVATE "${GNUTLS_INCLUDE_DIR}")
       endif()
 
       if(LIBBSD_FOUND)