diff --git a/fairmq/CMakeLists.txt b/fairmq/CMakeLists.txt
index 6b4d1a0a..48bb093d 100644
--- a/fairmq/CMakeLists.txt
+++ b/fairmq/CMakeLists.txt
@@ -173,6 +173,7 @@ add_library(FairMQ SHARED
 #######################
 target_include_directories(FairMQ
     PUBLIC # consumers inherit public include directories
+    ${ZMQ_INCLUDE_DIR}
     $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
     $<INSTALL_INTERFACE:include/fairmq>
 )