diff --git a/mono-core.spec b/mono-core.spec
index 694710c47f..0b03d4bbf7 100644
--- a/mono-core.spec
+++ b/mono-core.spec
@@ -41,7 +41,11 @@ BuildRequires:  autoconf
 BuildRequires:  automake
 BuildRequires:  bison
 BuildRequires:  which
+%if 0%{?rhel} >= 8
 BuildRequires:  cmake
+%else
+BuildRequires:  cmake3
+%endif
 BuildRequires:  gettext
 BuildRequires:  fdupes
 BuildRequires:  gcc-c++