diff --git a/libhwy-test.pc.in b/libhwy-test.pc.in
index ff91690fd0..0416b10df3 100644
--- a/libhwy-test.pc.in
+++ b/libhwy-test.pc.in
@@ -1,4 +1,5 @@
 prefix=@CMAKE_INSTALL_PREFIX@
+exec_prefix=${prefix}
 libdir=${exec_prefix}/@CMAKE_INSTALL_LIBDIR@
 includedir=${prefix}/@CMAKE_INSTALL_INCLUDEDIR@