diff --git a/Tests/CustomCommand/CMakeLists.txt b/Tests/CustomCommand/CMakeLists.txt
index 3f7a999efd..f62be0eaf5 100644
--- a/Tests/CustomCommand/CMakeLists.txt
+++ b/Tests/CustomCommand/CMakeLists.txt
@@ -142,6 +142,7 @@ ADD_CUSTOM_COMMAND(OUTPUT ${PROJECT_BINARY_DIR}/foo.c
 
 # add the library
 ADD_EXECUTABLE(CustomCommand 
+  ${PROJECT_BINARY_DIR}/foo.h
   ${PROJECT_BINARY_DIR}/foo.c
   ${PROJECT_BINARY_DIR}/wrapped.c
   ${PROJECT_BINARY_DIR}/generated.c
diff --git a/Tests/CustomCommand/GeneratedHeader/CMakeLists.txt b/Tests/CustomCommand/GeneratedHeader/CMakeLists.txt
index 16d0ca48c3..2d47d8749b 100644
--- a/Tests/CustomCommand/GeneratedHeader/CMakeLists.txt
+++ b/Tests/CustomCommand/GeneratedHeader/CMakeLists.txt
@@ -9,5 +9,5 @@ ADD_CUSTOM_COMMAND(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/generated.h
   ${CMAKE_CURRENT_BINARY_DIR}/generated.h 
 )
 
-ADD_LIBRARY(GeneratedHeader main.cpp) 
+ADD_LIBRARY(GeneratedHeader main.cpp ${CMAKE_CURRENT_BINARY_DIR}/generated.h)