diff --git a/icinga2.spec b/icinga2.spec
index c66eb81ed..8de8ccfaa 100644
--- a/icinga2.spec
+++ b/icinga2.spec
@@ -159,6 +159,12 @@ Group:        Applications/System
 %if "%{_vendor}" == "suse"
 BuildRequires: postgresql-libs
 %endif
+%if "%{_vendor}" == "redhat"
+# el5 only provides mysql package
+%if 0%{?el5} || 0%{?rhel} == 5 || "%{?dist}" == ".el5"
+BuildRequires: postgresql84
+%endif
+%endif
 BuildRequires: postgresql-devel
 Requires: postgresql-libs
 Requires: %{name} = %{version}-%{release}