diff --git a/.travis.yml b/.travis.yml
index 10bccf2787..8128e304c7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -34,9 +34,10 @@ script:
     eval $(opam config env) ;
     opam pin add geneweb . --no-action ;
     opam install geneweb --deps-only ;
-    ./configure && make install uninstall clean ;
-    ./configure --api && make install uninstall clean ;
-    opam depext lablgtk && opam install lablgtk && make everything-exe ;
+    ./configure && make clean install uninstall clean ;
+    make clean distrib clean ;
+    ./configure --api && make clean install uninstall clean ;
+    opam depext lablgtk && opam install lablgtk && make clean everything-exe clean ;
 
 notifications:
   email:
diff --git a/Makefile b/Makefile
index 2527df7a2f..f494e18b91 100644
--- a/Makefile
+++ b/Makefile
@@ -212,8 +212,8 @@ distrib: distrib-exe
 	cp $(BUILD_DIR)/ged2gwb/ged2gwb.exe $(DISTRIB_DIR)/gw/ged2gwb$(EXE); \
 	cp $(BUILD_DIR)/ged2gwb/ged2gwb2.exe $(DISTRIB_DIR)/gw/ged2gwb2$(EXE); \
 	cp $(BUILD_DIR)/gwb2ged/gwb2ged.exe $(DISTRIB_DIR)/gw/gwb2ged$(EXE); \
-	cp $(BUILD_DIR)/contrib/gwbase/etc/connex.out $(DISTRIB_DIR)/gw/connex$(EXE); \
-	cp $(BUILD_DIR)/contrib/gwdiff/gwdiff.out $(DISTRIB_DIR)/gw/gwdiff$(EXE); \
+	cp $(BUILD_DIR)/contrib/gwbase/etc/connex.exe $(DISTRIB_DIR)/gw/connex$(EXE); \
+	cp $(BUILD_DIR)/contrib/gwdiff/gwdiff.exe $(DISTRIB_DIR)/gw/gwdiff$(EXE); \
 	cp $(BUILD_DIR)/setup/setup.exe $(DISTRIB_DIR)/gw/gwsetup$(EXE); \
 	cp $(BUILD_DIR)/src/update_nldb.exe $(DISTRIB_DIR)/gw/update_nldb$(EXE); \
 	mkdir $(DISTRIB_DIR)/gw/gwtp_tmp
@@ -228,7 +228,7 @@ distrib: distrib-exe
 	cp setup/setup.css $(DISTRIB_DIR)/gw/setup/
 	cp setup/lang/*.htm $(DISTRIB_DIR)/gw/setup/lang/
 	cp setup/lang/lexicon.txt $(DISTRIB_DIR)/gw/setup/lang/
-	cp setup/lang/intro.txt $(DESTDIR)/gw/setup/lang/
+	cp setup/lang/intro.txt $(DISTRIB_DIR)/gw/setup/lang/
 	cp -R hd/* $(DISTRIB_DIR)/gw/
 	$(RM) $(DISTRIB_DIR)/exe-version.txt
 	echo "Commit: `git log  -1 | grep commit | cut -c8-15`, `date`"      > $(DISTRIB_DIR)/commit.txt
diff --git a/appveyor.yml b/appveyor.yml
index 25056ce8d9..5badcaa9f7 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -21,5 +21,6 @@ install:
   - '%CYG_BASH% "opam install camlp5 cppo dune"'
 
 build_script:
-  - '%CYG_BASH% "cd ${APPVEYOR_BUILD_FOLDER} && ./configure && make install uninstall clean"'
-  - '%CYG_BASH% "cd ${APPVEYOR_BUILD_FOLDER} && opam depext lablgtk && ./configure && opam install lablgtk && make everything-exe"'
+  - '%CYG_BASH% "cd ${APPVEYOR_BUILD_FOLDER} && ./configure && make clean install uninstall clean"'
+  - '%CYG_BASH% "cd ${APPVEYOR_BUILD_FOLDER} && ./configure && make clean distrib clean"'
+  - '%CYG_BASH% "cd ${APPVEYOR_BUILD_FOLDER} && opam depext lablgtk && opam install lablgtk && ./configure && make clean everything-exe clean"'