diff --git a/CMakeLists.txt b/CMakeLists.txt
index 32826c0..e28188d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -10,7 +10,6 @@ set(CMAKE_AUTOUIC ON)
 set(CMAKE_AUTORCC ON)
 set(CMAKE_INCLUDE_CURRENT_DIR ON)
 
-
 # CMake build type
 # Debug Release RelWithDebInfo MinSizeRel Coverage
 if (NOT CMAKE_BUILD_TYPE)
@@ -67,7 +66,14 @@ pkg_check_modules(GST
     gstreamer-1.0>=1.14
     gstreamer-video-1.0>=1.14
 )
-
+if (GST_FOUND)
+    include_directories(
+        ${GST_INCLUDE_DIRS}
+    )
+    add_definitions(
+        -DQGC_GST_STREAMING
+    )
+endif()
 #=============================================================================
 # Qt5
 #
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 7a425a6..0c557d7 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -2,7 +2,6 @@
 include_directories(
 	.
 	${CMAKE_CURRENT_BINARY_DIR}
-
 	${Qt5Location_PRIVATE_INCLUDE_DIRS}
 )
 
diff --git a/src/VideoStreaming/CMakeLists.txt b/src/VideoStreaming/CMakeLists.txt
index 97f4ad4..6bf5c37 100644
--- a/src/VideoStreaming/CMakeLists.txt
+++ b/src/VideoStreaming/CMakeLists.txt
@@ -1,6 +1,5 @@
 if (GST_FOUND)
     include_directories(
-        ${GST_INCLUDE_DIRS}
         gstqtvideosink/utils/
         )