diff --git a/pipi/pipi.pc.in b/pipi/pipi.pc.in
index 8899c81..424171a 100644
--- a/pipi/pipi.pc.in
+++ b/pipi/pipi.pc.in
@@ -1,4 +1,4 @@
-prefix=@exec_prefix@
+prefix=@prefix@
 libdir=@libdir@
 includedir=@includedir@