--- a/lib/dlopen.c
+++ b/lib/dlopen.c
@@ -159,7 +159,7 @@
 #endif /* __ia64 */
 
 #else /* __hpux */
-#define SO_SUFFIX	".so"
+#define SO_SUFFIX	".dll"
 #endif
 
 #define LA_SUFFIX       ".la"