diff --git a/.appveyor.yml b/.appveyor.yml
index 206a74ca..47cced00 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -7,7 +7,6 @@ environment:
   global:
     GOOS: windows
     GOARCH: amd64
-#    GOPATH: c:\gopath
     GOPATH: C:\projects\pyskycoin\gopath\
     GIT: c:\Program Files\Git\bin
     APPVEYOR_SAVE_CACHE_ON_ERROR: true
@@ -61,7 +60,7 @@ install:
 #  - cmd: git submodule foreach git checkout develop
   - cmd: cd gopath/src/github.com/skycoin/skycoin
   - cmd: git checkout origin/stdevEclipse_t1568_swig_files
-  - cmd: git pull origin stdevEclipse_t1568_swig_files
+#  - cmd: git pull origin stdevEclipse_t1568_swig_files
   - cmd: cd C:\projects\pyskycoin
   - cmd: curl -fsSL -o swigwin-3.0.12.zip "https://downloads.sourceforge.net/project/swig/swigwin/swigwin-3.0.12/swigwin-3.0.12.zip?r=https%3A%2F%2Fsourceforge.net%2Fprojects%2Fswig%2Ffiles%2Fswigwin%2Fswigwin-3.0.12%2Fswigwin-3.0.12.zip%2Fdownload%3Fuse_mirror%3Dayera&ts=1531774939"
   - cmd: 7z x swigwin-3.0.12.zip
@@ -113,7 +112,6 @@ before_test:
   - cmd: cd C:\projects\pyskycoin\gopath\src\github.com\skycoin\skycoin\
   - cmd: go get github.com/gz-c/gox
   - cmd: go get -t ./...
-  - cmd: mingw32-make build-libc
 
 test_script:
   - cmd: cd C:\projects\pyskycoin\
diff --git a/Makefile b/Makefile
index 28b1f4f8..6d926451 100644
--- a/Makefile
+++ b/Makefile
@@ -55,7 +55,7 @@ build-swig:
 	}
 	rm -f ./skycoin/skycoin.py
 	rm -f swig/pyskycoin_wrap.c
-	swig -python -Iswig/include -I$(INCLUDE_DIR) -outdir ./skycoin/ -o swig/pyskycoin_wrap.c $(LIBSWIG_DIR)/skycoin.i
+	swig -python -Iswig/include -I$(INCLUDE_DIR) -outdir ./skycoin/ -o swig/pyskycoin_wrap.c $(LIBSWIG_DIR)/skycoin.coin.i
 
 develop:
 	$(PYTHON_BIN) setup.py develop
diff --git a/gopath/src/github.com/skycoin/skycoin b/gopath/src/github.com/skycoin/skycoin
index dadeafcc..8d49f360 160000
--- a/gopath/src/github.com/skycoin/skycoin
+++ b/gopath/src/github.com/skycoin/skycoin
@@ -1 +1 @@
-Subproject commit dadeafccf69807013c10324927bf83e033f9ed5a
+Subproject commit 8d49f36088303e08f822ac8969acefbc009431a6