diff --git a/.gitignore b/.gitignore
index e1376c64b..5dd06103e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -15,7 +15,8 @@ src/interfaces/python/
 *.qrc.depends
 
 .dpkg_pkgs/
-
+build/
+build_clean/
 
 # Python
 __pycache__/
diff --git a/Deps/opencv/CMakeLists.txt b/Deps/opencv/CMakeLists.txt
index 72293093e..85f5f1bd8 100644
--- a/Deps/opencv/CMakeLists.txt
+++ b/Deps/opencv/CMakeLists.txt
@@ -58,8 +58,8 @@ SET(OpenCVGUI_LIBRARIES ${OpenCV_GUI_LIBS})
 #TRY MANUAL IF AUTO FAILS
 IF (NOT DEFINED OpenCV_VERSION)
 	IF (NOT OpenCV_DIR)
-		IF (EXISTS /opt/ros/kinetic/)
-			SET(OpenCV_DIR /opt/ros/kinetic/)
+		IF (EXISTS /opt/ros/melodic/)
+			SET(OpenCV_DIR /opt/ros/melodic/)
 		ELSE()
 			MESSAGE(FATAL_ERROR "OpenCV not found, if you are using a custom opencv installation set if by -DOpenCV_DIR=<your_install_path>")
 		ENDIF()
diff --git a/README.md b/README.md
index 42cf09d4e..b8f5c5ec9 100644
--- a/README.md
+++ b/README.md
@@ -252,7 +252,7 @@ source ~/.bashrc
 compile ice:
 
 ```
-git clone -b 3.7.2 https://github.com/zeroc-ice/ice.git 
+git clone -b 3.7 https://github.com/zeroc-ice/ice.git 
 cd ice/cpp
 make CPP11=yes OPTIMIZE=yes
 make install