diff --git a/src/interfaces/ecpg/include/Makefile b/src/interfaces/ecpg/include/Makefile
index 2e587aac6b5..d8eb3a12051 100644
--- a/src/interfaces/ecpg/include/Makefile
+++ b/src/interfaces/ecpg/include/Makefile
@@ -29,6 +29,7 @@ installdirs:
 uninstall:
 	rm -f $(addprefix '$(DESTDIR)$(includedir)'/, $(ecpg_headers))
 	rm -f $(addprefix '$(DESTDIR)$(informix_esql_dir)'/, $(informix_headers))
+	rm -f '$(DESTDIR)$(includedir)'/$(notdir $(ecpg_config_h))
 
 distclean maintainer-clean:
 	rm -f ecpg_config.h