diff --git a/Source/cmStateSnapshot.cxx b/Source/cmStateSnapshot.cxx
index bdef3e5295..479ecd228d 100644
--- a/Source/cmStateSnapshot.cxx
+++ b/Source/cmStateSnapshot.cxx
@@ -386,6 +386,12 @@ void cmStateSnapshot::InitializeFromParent()
     parent->BuildSystemDirectory->CompileOptionsBacktraces,
     this->Position->BuildSystemDirectory->CompileOptionsBacktraces,
     this->Position->CompileOptionsPosition);
+
+  const char* include_regex =
+    parent->BuildSystemDirectory->Properties.GetPropertyValue(
+      "INCLUDE_REGULAR_EXPRESSION");
+  this->Position->BuildSystemDirectory->Properties.SetProperty(
+    "INCLUDE_REGULAR_EXPRESSION", include_regex);
 }
 
 cmState* cmStateSnapshot::GetState() const
diff --git a/Tests/RunCMake/Make/IncludeRegexSubdir-check.cmake b/Tests/RunCMake/Make/IncludeRegexSubdir-check.cmake
new file mode 100644
index 0000000000..dbdf7bea93
--- /dev/null
+++ b/Tests/RunCMake/Make/IncludeRegexSubdir-check.cmake
@@ -0,0 +1,4 @@
+include("${RunCMake_TEST_BINARY_DIR}/IncludeRegexSubdir/CMakeFiles/CMakeDirectoryInformation.cmake" OPTIONAL)
+if(NOT CMAKE_C_INCLUDE_REGEX_SCAN STREQUAL "^custom_include_regex$")
+  set(RunCMake_TEST_FAILED "CMAKE_C_INCLUDE_REGEX_SCAN has unexpected value:\n \"${CMAKE_C_INCLUDE_REGEX_SCAN}\"")
+endif()
diff --git a/Tests/RunCMake/Make/IncludeRegexSubdir.cmake b/Tests/RunCMake/Make/IncludeRegexSubdir.cmake
new file mode 100644
index 0000000000..a7a93a0905
--- /dev/null
+++ b/Tests/RunCMake/Make/IncludeRegexSubdir.cmake
@@ -0,0 +1,3 @@
+enable_language(C)
+include_regular_expression("^custom_include_regex$")
+add_subdirectory(IncludeRegexSubdir)
diff --git a/Tests/RunCMake/Make/IncludeRegexSubdir/CMakeLists.txt b/Tests/RunCMake/Make/IncludeRegexSubdir/CMakeLists.txt
new file mode 100644
index 0000000000..e712aea5d9
--- /dev/null
+++ b/Tests/RunCMake/Make/IncludeRegexSubdir/CMakeLists.txt
@@ -0,0 +1 @@
+# We only need this directory to be processed.  No targets needed.
diff --git a/Tests/RunCMake/Make/RunCMakeTest.cmake b/Tests/RunCMake/Make/RunCMakeTest.cmake
index 869d11e5d2..3b2b8f5932 100644
--- a/Tests/RunCMake/Make/RunCMakeTest.cmake
+++ b/Tests/RunCMake/Make/RunCMakeTest.cmake
@@ -17,3 +17,4 @@ run_TargetMessages(VAR-ON -DCMAKE_TARGET_MESSAGES=ON)
 run_TargetMessages(VAR-OFF -DCMAKE_TARGET_MESSAGES=OFF)
 
 run_cmake(CustomCommandDepfile-ERROR)
+run_cmake(IncludeRegexSubdir)