diff --git a/boost.spec b/boost.spec
index dada6c9..fc2c3cc 100644
--- a/boost.spec
+++ b/boost.spec
@@ -140,6 +140,7 @@ Group:          Development/Libraries/C and C++
 Requires:       %{all_libs}
 Requires:       libstdc++-devel
 Provides:       boost-devel = %version
+Conflicts:      otherprovider(boost-devel)
 
 %description -n %{package_name}-devel
 This package contains all that is needed to develop/compile