diff --git a/data/capsule.pc.in b/data/capsule.pc.in
index 70a87c3f41146985b1377428f21087eef6271fe2..1ddf03123a41dfaaa85027f61b2dd746e3723305 100644
--- a/data/capsule.pc.in
+++ b/data/capsule.pc.in
@@ -2,6 +2,7 @@ prefix=@prefix@
 libdir=@libdir@
 includedir=@includedir@
 libexecdir=@libexecdir@
+datarootdir=@datarootdir@
 datadir=@datarootdir@
 makeinc=@datadir@/libcapsule