diff --git a/dlib/CMakeLists.txt b/dlib/CMakeLists.txt
index 6e754127e..1409bb586 100644
--- a/dlib/CMakeLists.txt
+++ b/dlib/CMakeLists.txt
@@ -185,6 +185,7 @@ if (NOT TARGET dlib)
        add_library(dlib STATIC ${source_files} )
        if (UNIX AND NOT DLIB_IN_PROJECT_BUILD)
            add_library(dlib_shared SHARED ${source_files} )
+           add_dependencies(dlib_shared dlib)
        endif()
    else()
 
@@ -631,8 +632,10 @@ if (NOT TARGET dlib)
       if (UNIX AND NOT DLIB_IN_PROJECT_BUILD)
          if (DLIB_USE_CUDA)
             cuda_add_library(dlib_shared SHARED ${source_files} )
+            add_dependencies(dlib_shared dlib)
          else()
             add_library(dlib_shared SHARED ${source_files} )
+            add_dependencies(dlib_shared dlib)
          endif()
          target_link_libraries(dlib_shared ${dlib_needed_libraries} )
       endif()