diff --git a/src/interfaces/ecpg/include/Makefile b/src/interfaces/ecpg/include/Makefile
index a77c5c7e23dc7a4fc80e0658f893ee323a2e7bba..32c7a12d05d4bab6c328223c617f90b2dcefcfb0 100644
--- a/src/interfaces/ecpg/include/Makefile
+++ b/src/interfaces/ecpg/include/Makefile
@@ -28,6 +28,7 @@ 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