diff --git a/src/mrw-c++.pc.in b/src/mrw-c++.pc.in
index 72223b3..e3b6dad 100644
--- a/src/mrw-c++.pc.in
+++ b/src/mrw-c++.pc.in
@@ -1,4 +1,4 @@
-prefix=@PACKAGE_NAME@
+prefix=@prefix@
 exec_prefix=${prefix}
 libdir=${exec_prefix}/lib
 includedir=${prefix}/include