diff --git a/ValaLibCommonRules.cmake b/ValaLibCommonRules.cmake
index e7af956..147808b 100644
--- a/ValaLibCommonRules.cmake
+++ b/ValaLibCommonRules.cmake
@@ -39,7 +39,7 @@ ENDIF (WIN32)
 
 SET (install_prefix "")
 IF (LibIsPlugin)
-  SET (install_prefix "/${LibInstallPrefix}/${LibName}-${MAJOR}")
+  SET (install_prefix "/${LibInstallPrefix}")
 ENDIF (LibIsPlugin)
 
 SET (lib "lib")