diff --git a/OSBindings/Qt/ClockSignal.pro b/OSBindings/Qt/ClockSignal.pro
index aa1b8b624..bd931606b 100644
--- a/OSBindings/Qt/ClockSignal.pro
+++ b/OSBindings/Qt/ClockSignal.pro
@@ -82,6 +82,7 @@ SOURCES += \
 \
 	$$SRC/Outputs/*.cpp \
 	$$SRC/Outputs/CRT/*.cpp \
+	$$SRC/Outputs/ScanTargets/*.cpp \
 	$$SRC/Outputs/OpenGL/*.cpp \
 	$$SRC/Outputs/OpenGL/Primitives/*.cpp \
 \
@@ -201,6 +202,7 @@ HEADERS += \
 	$$SRC/Outputs/*.hpp \
 	$$SRC/Outputs/CRT/*.hpp \
 	$$SRC/Outputs/CRT/Internals/*.hpp \
+	$$SRC/Outputs/ScanTargets/*.hpp \
 	$$SRC/Outputs/OpenGL/*.hpp \
 	$$SRC/Outputs/OpenGL/Primitives/*.hpp \
 	$$SRC/Outputs/Speaker/*.hpp \
diff --git a/OSBindings/SDL/SConstruct b/OSBindings/SDL/SConstruct
index e1a746ac8..0b04f06f0 100644
--- a/OSBindings/SDL/SConstruct
+++ b/OSBindings/SDL/SConstruct
@@ -79,6 +79,7 @@ SOURCES += glob.glob('../../Machines/ZX8081/*.cpp')
 
 SOURCES += glob.glob('../../Outputs/*.cpp')
 SOURCES += glob.glob('../../Outputs/CRT/*.cpp')
+SOURCES += glob.glob('../../Outputs/ScanTargets/*.cpp')
 SOURCES += glob.glob('../../Outputs/OpenGL/*.cpp')
 SOURCES += glob.glob('../../Outputs/OpenGL/Primitives/*.cpp')