diff --git a/libs/spandsp/spandsp.pc.in b/libs/spandsp/spandsp.pc.in
index 86a50ff62a..1a91ba04e1 100644
--- a/libs/spandsp/spandsp.pc.in
+++ b/libs/spandsp/spandsp.pc.in
@@ -1,5 +1,5 @@
 prefix=@prefix@
-exec_prefix=@exec_prefix@
+exec_prefix=@prefix@
 libdir=@libdir@
 includedir=@includedir@