diff --git a/dtool/src/dtoolutil/dSearchPath.h b/dtool/src/dtoolutil/dSearchPath.h
index c306331e2c..92437c55ba 100644
--- a/dtool/src/dtoolutil/dSearchPath.h
+++ b/dtool/src/dtoolutil/dSearchPath.h
@@ -23,7 +23,7 @@
 ////////////////////////////////////////////////////////////////////
 class EXPCL_DTOOL DSearchPath {
 public:
-  class Results {
+  class EXPCL_DTOOL Results {
   PUBLISHED:
     Results();
     Results(const Results &copy);