diff --git a/vamp-plugin-sdk.spec b/vamp-plugin-sdk.spec
index f7c7540..9cf64a5 100644
--- a/vamp-plugin-sdk.spec
+++ b/vamp-plugin-sdk.spec
@@ -10,6 +10,7 @@ Source0:        http://code.soundsoftware.ac.uk/attachments/download/690/vamp-pl
 # https://sourceforge.net/tracker/?func=detail&aid=1884043&group_id=192001&atid=939644
 Patch0:         %{name}-2.5-libdir.patch
 
+BuildRequires:  gcc-c++
 BuildRequires:  libsndfile-devel
 #Requires: