diff --git a/dumb/CMakeLists.txt b/dumb/CMakeLists.txt
index 85e052209b..904ca75c39 100644
--- a/dumb/CMakeLists.txt
+++ b/dumb/CMakeLists.txt
@@ -24,7 +24,7 @@ endif()
 
 include_directories( include )
 
-add_library( dumb
+add_library( dumb STATIC
     src/core/unload.c
     src/core/rendsig.c
     src/core/rendduh.c