diff --git a/cmake/modules/FindDotnet.cmake b/cmake/modules/FindDotnet.cmake
index ed1186999..625317a41 100644
--- a/cmake/modules/FindDotnet.cmake
+++ b/cmake/modules/FindDotnet.cmake
@@ -125,7 +125,12 @@ FUNCTION(DOTNET_GET_DEPS _DN_PROJECT arguments)
         ${arguments})
 
     LIST(APPEND DOTNET_deps ${_DN_SOURCES})
-    LIST(FILTER DOTNET_deps EXCLUDE REGEX /obj/)
+    SET(_DN_deps "")
+    FOREACH(dep ${DOTNET_deps})
+        IF(NOT dep MATCHES /obj/)
+            LIST(APPEND _DN_deps ${dep})
+        ENDIF()
+    ENDFOREACH()
 
     GET_FILENAME_COMPONENT(_DN_abs_proj "${_DN_PROJECT}" ABSOLUTE)
     GET_FILENAME_COMPONENT(_DN_proj_dir "${_DN_PROJECT}" DIRECTORY)
@@ -178,7 +183,7 @@ FUNCTION(DOTNET_GET_DEPS _DN_PROJECT arguments)
     SET(DOTNET_RUN_OUTPUT ${_DN_OUTPUT} PARENT_SCOPE)
     SET(DOTNET_PACKAGE_VERSION ${_DN_VERSION} PARENT_SCOPE)
     SET(DOTNET_OUTPUT_PATH ${_DN_OUTPUT_PATH} PARENT_SCOPE)
-    SET(DOTNET_deps ${DOTNET_deps} PARENT_SCOPE)
+    SET(DOTNET_deps ${_DN_deps} PARENT_SCOPE)
 
     IF(_DN_PLATFORM)
         SET(_DN_PLATFORM_PROP "/p:Platform=${_DN_PLATFORM}")