diff --git a/lib/cpp/thrift-nb.pc.in b/lib/cpp/thrift-nb.pc.in
old mode 100644
new mode 100755
index ae05188..2c6a969
--- a/lib/cpp/thrift-nb.pc.in
+++ b/lib/cpp/thrift-nb.pc.in
@@ -27,4 +27,4 @@
 Version: @VERSION@
 Requires: thrift = @VERSION@
 Libs: -L${libdir} -lthriftnb
-Cflags: -I${includedir}/thrift
+Cflags: -I${includedir}