diff --git a/google/cloud/functions/config.pc.in b/google/cloud/functions/config.pc.in
index 21072619..79386b77 100644
--- a/google/cloud/functions/config.pc.in
+++ b/google/cloud/functions/config.pc.in
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-prefix=@CMAKE_INSTALL_PREFIX@
+prefix=${pcfiledir}/../..
 exec_prefix=${prefix}/@CMAKE_INSTALL_BINDIR@
 libdir=${prefix}/@CMAKE_INSTALL_LIBDIR@
 includedir=${prefix}/@CMAKE_INSTALL_INCLUDEDIR@