diff --git a/tools/CMakeLists.txt b/tools/CMakeLists.txt
index 2e908b2..bc93b84 100644
--- a/tools/CMakeLists.txt
+++ b/tools/CMakeLists.txt
@@ -27,10 +27,10 @@ function(pico_generate_pio_header TARGET PIO)
             )
     add_dependencies(${TARGET} ${HEADER_GEN_TARGET})
     get_target_property(target_type ${TARGET} TYPE)
-    if ("EXECUTABLE" STREQUAL "${target_type}")
-        target_include_directories(${TARGET} PRIVATE ${HEADER_DIR})
-    else()
+    if ("INTERFACE_LIBRARY" STREQUAL "${target_type}")
         target_include_directories(${TARGET} INTERFACE ${HEADER_DIR})
+    else()
+        target_include_directories(${TARGET} PUBLIC ${HEADER_DIR})
     endif()
 endfunction()