diff --git a/dssp.spec b/dssp.spec
index ad59791..0ff1174 100644
--- a/dssp.spec
+++ b/dssp.spec
@@ -13,8 +13,7 @@ Source0:	ftp://ftp.cmbi.ru.nl/pub/software/dssp/dssp-%version.tgz
 Patch1:		dssp-make.patch
 # Fix build with boost 1.66 (#1537546)
 Patch2:		dssp-tuple.patch
-BuildRequires:	zlib-devel bzip2-devel
-BuildRequires:	boost-devel
+BuildRequires:	zlib-devel bzip2-devel boost-devel gcc-c++
 
 %if 0%{?epel} < 7
 %{!?__global_ldflags: %global __global_ldflags -Wl,-z,relro}