diff --git a/imlib2.spec b/imlib2.spec
index feba9ce..40d3c2d 100644
--- a/imlib2.spec
+++ b/imlib2.spec
@@ -10,7 +10,7 @@ Patch0:		imlib2-1.2.1-X11-path.patch
 BuildRoot:	%{_tmppath}/%{name}-%{version}-%{release}-buildroot
 BuildRequires:	libjpeg-devel libpng-devel libtiff-devel
 BuildRequires:	libungif-devel freetype-devel >= 2.1.9-4 libtool bzip2-devel
-BuildRequires:	libX11-devel libXext-devel
+BuildRequires:	libX11-devel libXext-devel pkgconfig
 
 %package devel
 Summary:	Development package for %{name}