--- src/packaging/Makefile.in.orig	2024-11-11 22:32:47 UTC
+++ src/packaging/Makefile.in
@@ -637,7 +637,7 @@ install-data-hook:
 # GNU autoconf allows DESTDIR variable when running 'make install' which will
 # prepend it before all installation names.
 install-data-hook:
-	$(SED_I) -e 's|INSTALL_PREFIX|$(DESTDIR)$(prefix)|g ; s|INSTALL_EXEC_PREFIX|$(DESTDIR)$(exec_prefix)|g' $(DESTDIR)$(prefix)/libdata/pkgconfig/pnetcdf.pc
+	$(SED_I) -e 's|INSTALL_PREFIX|$(prefix)|g ; s|INSTALL_EXEC_PREFIX|$(exec_prefix)|g' $(DESTDIR)$(prefix)/libdata/pkgconfig/pnetcdf.pc
 
 # Tell versions [3.59,3.63) of GNU make to not export all variables.
 # Otherwise a system limit (for SysV at least) may be exceeded.