diff --git a/src/external/CMakeLists.txt b/src/external/CMakeLists.txt
index e10118b9b..50bd49fdb 100644
--- a/src/external/CMakeLists.txt
+++ b/src/external/CMakeLists.txt
@@ -109,10 +109,10 @@ if(XRT_HAVE_OPENGL)
 		target_link_libraries(
 			xrt-external-imgui-sdl2
 			PUBLIC xrt-external-imgui
-			PRIVATE ${SDL2_LIBRARIES}
+			PUBLIC ${SDL2_LIBRARIES}
 			)
 
-		target_include_directories(xrt-external-imgui-sdl2 PRIVATE ${SDL2_INCLUDE_DIRS})
+		target_include_directories(xrt-external-imgui-sdl2 PUBLIC ${SDL2_INCLUDE_DIRS})
 		target_include_directories(
 			xrt-external-imgui-sdl2 PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/imgui
 			)
diff --git a/src/xrt/targets/gui/CMakeLists.txt b/src/xrt/targets/gui/CMakeLists.txt
index 2aac66147..1cf3f5dd3 100644
--- a/src/xrt/targets/gui/CMakeLists.txt
+++ b/src/xrt/targets/gui/CMakeLists.txt
@@ -20,6 +20,7 @@ target_link_libraries(
 		target_instance_no_comp
 		xrt-external-imgui-sdl2
 	)
+target_include_directories(gui PUBLIC ${SDL2_INCLUDE_DIRS})
 if(WIN32)
 	target_link_libraries(gui PRIVATE SDL2::SDL2main)
 endif()