diff --git a/texlive.spec b/texlive.spec
index f32a3c3..0b32e11 100644
--- a/texlive.spec
+++ b/texlive.spec
@@ -2593,7 +2593,7 @@ Summary:        Libraries of Just-In-Time compiler for Lua
 License:        MIT
 Group:          Development/Libraries/C and C++
 Url:            http://www.tug.org/texlive/
-Requires:       libtexlua52-5 = 2.0.3
+Requires:       libtexlua52-5 = 5.2.4
 
 %description -n %{name}-texluajit-devel
 This package includes the LuaJIT development files.
@@ -3411,10 +3411,7 @@ popd
     for pc in kpathsea ptexenc texlua52 texluajit synctex
     do
 	test -e "$pc.pc" || continue
-	sed -ir '/^prefix=/s|=.*|=/usr|
-		 /^exec_prefix=/s|=.*|=/usr|
-		 /^libdir=/s|=.*|=%{_libdir}|
-		 /^includedir=/s|=.*|=%{_includedir}|' $pc.pc
+	sed -ri "s@([^=]+=)${prefix}@\1/usr@" $pc.pc
 	install -m 0644 $pc.pc %{buildroot}%{_libdir}/pkgconfig/
     done
     popd