diff --git a/.travis.yml b/.travis.yml
index e005f8fcb..f4bdc7f67 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -85,7 +85,7 @@ before_install:
     fi
     brew install python3;
     python3 --version;
-    pip install dropbox;
+    pip3 install dropbox;
   fi
 before_script:
 - |
diff --git a/appveyor.yml b/appveyor.yml
index 01e4340a4..69a1c97c7 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -195,8 +195,13 @@ init:
   - if "%APPVEYOR_BUILD_WORKER_IMAGE%"=="Visual Studio 2015" if "%QMAKE_GENERATOR%"=="NMake Makefiles JOM" if "%PLATFORM%"=="x64" call "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" x86_amd64
   - if "%QMAKE_GENERATOR%" == "MinGW Makefiles" set PATH=%MINGW_PATH%;%PATH%
   - if "%QMAKE_GENERATOR%" == "NMake Makefiles JOM" set PATH=C:\Qt\Tools\QtCreator\bin;%PATH%
-  - if "%DEPLOY%" == "true" "%PYTHON%\\python -m pip install dropbox"
-  - if "%DEPLOY%" == "true" set PATH="%PYTHON%\\Scripts\\;%PATH%"
+  - if "%DEPLOY%" == "true" set PATH="%PYTHON%;%PYTHON%\\Scripts\\;%PATH%"
+  # Check that we have the expected version and architecture for Python
+  - "python --version"
+  - "python -c \"import struct; print(struct.calcsize('P') * 8)\""
+  # Install the build dependencies of the project. 
+  - if "%DEPLOY%" == "true" "%PYTHON%\\python.exe -m pip install dropbox"
+  # Set paths to libraries
   - set PATH=C:\projects\valentina\build\src\libs\vpropertyexplorer\bin;C:\projects\valentina\build\src\libs\qmuparser\bin;%PATH%
   # Path after
   - path
@@ -252,8 +257,9 @@ after_test:
 
 # scripts to run before deployment
 before_deploy:
-  - if "%DEPLOY%" == "true" (%PYTHON%\\python ..\scripts\deploy.py pack ./package/valentina/ ./package/valentina-win-$(PLATFORM)-$(QT_VERSION)-$(APPVEYOR_REPO_BRANCH)-$(APPVEYOR_REPO_COMMIT).zip)
+  - if "%DEPLOY%" == "true" (%PYTHON%\\python.exe ..\scripts\deploy.py pack .\package\valentina\ .\package\valentina-win-$(PLATFORM)-$(QT_VERSION)-$(APPVEYOR_REPO_BRANCH)-$(APPVEYOR_REPO_COMMIT).zip)
 
 # to run your custom scripts instead of provider deployments
 deploy_script:
-  - if "%DEPLOY%" == "true" (%PYTHON%\\python ..\scripts\deploy.py upload $(ACCESS_TOKEN) ./package/valentina-win-$(PLATFORM)-$(QT_VERSION)-$(APPVEYOR_REPO_BRANCH)-$(APPVEYOR_REPO_COMMIT).zip /0.7.x/Windows/valentina-win-$(PLATFORM)-$(QT_VERSION)-$(APPVEYOR_REPO_BRANCH)-$(APPVEYOR_REPO_COMMIT).zip)
+  - if "%DEPLOY%" == "true" (%PYTHON%\\python.exe ..\scripts\deploy.py upload $(ACCESS_TOKEN) .\package\valentina-win-$(PLATFORM)-$(QT_VERSION)-$(APPVEYOR_REPO_BRANCH)-$(APPVEYOR_REPO_COMMIT).zip /0.7.x/Windows/valentina-win-$(PLATFORM)-$(QT_VERSION)-$(APPVEYOR_REPO_BRANCH)-$(APPVEYOR_REPO_COMMIT).zip)
+