diff --git a/Tests/Complex/CMakeLists.txt b/Tests/Complex/CMakeLists.txt
index c8a0ec3c4..80df627aa 100644
--- a/Tests/Complex/CMakeLists.txt
+++ b/Tests/Complex/CMakeLists.txt
@@ -101,7 +101,7 @@ INCLUDE_DIRECTORIES(BEFORE
   ${Complex_BINARY_DIR}
 )
 
-INCLUDE_REGULAR_EXPRESSION("^(cmTest|file|sharedFile).*$" "^$")
+INCLUDE_REGULAR_EXPRESSION("^(cmTest|file|sharedFile).*$" "^cmMissing")
 
 LINK_DIRECTORIES(
   ${Complex_BINARY_DIR}/Library
diff --git a/Tests/Complex/Executable/complex.file.cxx b/Tests/Complex/Executable/complex.file.cxx
index 34d02ea2d..e873fa644 100644
--- a/Tests/Complex/Executable/complex.file.cxx
+++ b/Tests/Complex/Executable/complex.file.cxx
@@ -1,3 +1,7 @@
+#if 0
+#include "cmMissingHeader.h"
+#endif
+
 int main(int , char**)
 {
   return 0;
diff --git a/Tests/ComplexOneConfig/CMakeLists.txt b/Tests/ComplexOneConfig/CMakeLists.txt
index c8a0ec3c4..80df627aa 100644
--- a/Tests/ComplexOneConfig/CMakeLists.txt
+++ b/Tests/ComplexOneConfig/CMakeLists.txt
@@ -101,7 +101,7 @@ INCLUDE_DIRECTORIES(BEFORE
   ${Complex_BINARY_DIR}
 )
 
-INCLUDE_REGULAR_EXPRESSION("^(cmTest|file|sharedFile).*$" "^$")
+INCLUDE_REGULAR_EXPRESSION("^(cmTest|file|sharedFile).*$" "^cmMissing")
 
 LINK_DIRECTORIES(
   ${Complex_BINARY_DIR}/Library
diff --git a/Tests/ComplexOneConfig/Executable/complex.file.cxx b/Tests/ComplexOneConfig/Executable/complex.file.cxx
index 34d02ea2d..e873fa644 100644
--- a/Tests/ComplexOneConfig/Executable/complex.file.cxx
+++ b/Tests/ComplexOneConfig/Executable/complex.file.cxx
@@ -1,3 +1,7 @@
+#if 0
+#include "cmMissingHeader.h"
+#endif
+
 int main(int , char**)
 {
   return 0;
diff --git a/Tests/ComplexRelativePaths/CMakeLists.txt b/Tests/ComplexRelativePaths/CMakeLists.txt
index c8a0ec3c4..80df627aa 100644
--- a/Tests/ComplexRelativePaths/CMakeLists.txt
+++ b/Tests/ComplexRelativePaths/CMakeLists.txt
@@ -101,7 +101,7 @@ INCLUDE_DIRECTORIES(BEFORE
   ${Complex_BINARY_DIR}
 )
 
-INCLUDE_REGULAR_EXPRESSION("^(cmTest|file|sharedFile).*$" "^$")
+INCLUDE_REGULAR_EXPRESSION("^(cmTest|file|sharedFile).*$" "^cmMissing")
 
 LINK_DIRECTORIES(
   ${Complex_BINARY_DIR}/Library
diff --git a/Tests/ComplexRelativePaths/Executable/complex.file.cxx b/Tests/ComplexRelativePaths/Executable/complex.file.cxx
index 34d02ea2d..e873fa644 100644
--- a/Tests/ComplexRelativePaths/Executable/complex.file.cxx
+++ b/Tests/ComplexRelativePaths/Executable/complex.file.cxx
@@ -1,3 +1,7 @@
+#if 0
+#include "cmMissingHeader.h"
+#endif
+
 int main(int , char**)
 {
   return 0;