diff --git a/postgresql12.spec b/postgresql12.spec
index 3823cf3..846b4ab 100644
--- a/postgresql12.spec
+++ b/postgresql12.spec
@@ -127,10 +127,11 @@ BuildRequires:  pkgconfig(krb5)
 BuildRequires:  pkgconfig(libsystemd)
 BuildRequires:  pkgconfig(systemd)
 %endif
-#!BuildIgnore:  %pgname
-#!BuildIgnore:  %pgname-server
 #!BuildIgnore:  postgresql-implementation
 #!BuildIgnore:  postgresql-server-implementation
+#!BuildIgnore:  postgresql-devel-noarch
+#!BuildIgnore:  postgresql-llvmjit-devel-noarch
+#!BuildIgnore:  postgresql-server-devel-noarch
 Summary:        Basic Clients and Utilities for PostgreSQL
 License:        PostgreSQL
 Group:          Productivity/Databases/Tools
@@ -230,7 +231,7 @@ Conflicts:      %pgname-devel
 %else
 Requires:       %libecpg >= %version
 Requires:       %libpq >= %version
-Requires:       postgresql-devel-noarch >= %version
+Requires:       postgresql-devel-noarch >= %pgmajor
 %endif
 # Installation of postgresql??-devel is exclusive
 Provides:       postgresql-devel-exclusive = %pgmajor
@@ -245,8 +246,8 @@ Provides:       %pgname-server-devel = %version-%release
 %endif
 Provides:       postgresql-server-devel = %version-%release
 Provides:       postgresql-server-devel-implementation = %version-%release
-Requires(post): postgresql-server-noarch >= %pgmajor
-Requires(postun):postgresql-server-noarch >= %pgmajor
+Requires(post): postgresql-server-devel-noarch >= %pgmajor
+Requires(postun):postgresql-server-devel-noarch >= %pgmajor
 Requires:       %pgname-devel = %version
 Requires:       %pgname-server = %version-%release
 # Installation of postgresql??-devel is exclusive
@@ -344,6 +345,7 @@ Provides:       postgresql-llvmjit-devel = %version-%release
 Provides:       postgresql-llvmjit-devel-implementation = %version-%release
 Requires:       %pgname-server-devel = %version
 %if %{with llvm}
+Requires:       %pgname-llvmjit = %version
 Requires(post): postgresql-llvmjit-devel-noarch >= %pgmajor
 Requires(postun):postgresql-llvmjit-devel-noarch >= %pgmajor
 %requires_file	%_bindir/llc
@@ -902,10 +904,10 @@ fi
 %defattr(-,root,root)
 %pglibdir/llvm*
 %pglibdir/bitcode/*
+%endif
 
 %files llvmjit-devel
 %doc README
-%endif
 
 %files pltcl -f pltcl.lang
 %defattr(-,root,root)