diff --git a/GNUmakefile b/GNUmakefile
index ca31f393..d24dfb50 100755
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -445,7 +445,7 @@ endif
 distclean: clean
 	-$(RM) adhoc.cpp adhoc.cpp.copied GNUmakefile.deps benchmarks.html cryptest.txt cryptest-*.txt
 	-$(RM) CMakeCache.txt Makefile CTestTestfile.cmake cmake_install.cmake cryptopp-config-version.cmake
-	-$(RM) *.o *.ii *.s *~
+	-$(RM) cryptopp.tgz *.o *.ii *.s *~
 ifneq ($(wildcard CMakeFiles/),)
 	-$(RM) -r CMakeFiles/
 endif
diff --git a/GNUmakefile-cross b/GNUmakefile-cross
index 103f177e..01ede28e 100755
--- a/GNUmakefile-cross
+++ b/GNUmakefile-cross
@@ -171,7 +171,7 @@ endif
 
 .PHONY: distclean
 distclean: clean
-	-$(RM) adhoc.cpp adhoc.cpp.copied GNUmakefile.deps *.o *.ii *.s
+	-$(RM) adhoc.cpp adhoc.cpp.copied GNUmakefile.deps cryptopp.tgz *.o *.ii *.s
 
 .PHONY: install
 install: