diff --git a/examples/Makefile.in b/examples/Makefile.in
index abb4217..a6fbfb3 100644
--- a/examples/Makefile.in
+++ b/examples/Makefile.in
@@ -51,7 +51,7 @@ OBJECTS = ${FILES_O}
 LIBS = ../src/libcln.la -lm
 LIBDEPS = ../src/libcln.la
 
-PROGRAMS = contfrac e fibonacci legendre lucaslehmer nextprime perfnum pi
+PROGRAMS = $(addsuffx ${EXEEXT},contfrac e fibonacci legendre lucaslehmer nextprime perfnum pi)
 MODULES_contfrac = contfrac
 MODULES_e = e
 MODULES_fibonacci = fibonacci
diff --git a/tests/Makefile.in b/tests/Makefile.in
index 48551b8..2b98597 100644
--- a/tests/Makefile.in
+++ b/tests/Makefile.in
@@ -178,7 +178,7 @@ check : all
 mostlyclean : clean
 
 clean : force
-	${RM} *.s *.o *.a exam tests main a.out core
+	${RM} *.s *.o *.a exam tests${EXEEXT} main a.out core
 	${RM} -r .libs _libs
 
 distclean : clean