diff --git a/static/Module_static.mk b/static/Module_static.mk
index a21b2355741b..cd37748e1396 100644
--- a/static/Module_static.mk
+++ b/static/Module_static.mk
@@ -18,8 +18,10 @@ $(eval $(call gb_Module_add_targets,static,\
 ifeq (EMSCRIPTEN,$(OS))
 $(eval $(call gb_Module_add_targets,static,\
     CustomTarget_emscripten_fs_image \
-    CustomTarget_wasm-qt5-mandelbrot_moc \
-    Executable_wasm-qt5-mandelbrot \
+    $(if $(ENABLE_QT5), \
+        CustomTarget_wasm-qt5-mandelbrot_moc \
+        Executable_wasm-qt5-mandelbrot \
+    ) \
 ))
 endif