diff --git a/cmake/CrowConfig.cmake.in b/cmake/CrowConfig.cmake.in
index 6f39c6c99..1a0dddf71 100644
--- a/cmake/CrowConfig.cmake.in
+++ b/cmake/CrowConfig.cmake.in
@@ -28,6 +28,13 @@ check_required_components("@PROJECT_NAME@")
 get_target_property(_CROW_ILL Crow::Crow INTERFACE_LINK_LIBRARIES)
 get_target_property(_CROW_ICD Crow::Crow INTERFACE_COMPILE_DEFINITIONS)
 
+if(_CROW_ILL STREQUAL "_CROW_ILL-NOTFOUND")
+        set(_CROW_ILL "")
+endif()
+if(_CROW_ICD STREQUAL "_CROW_ICD-NOTFOUND")
+        set(_CROW_ICD "")
+endif()
+
 list(REMOVE_ITEM _CROW_ILL "ZLIB::ZLIB" "OpenSSL::SSL")
 list(REMOVE_ITEM _CROW_ICD "CROW_ENABLE_SSL" "CROW_ENABLE_COMPRESSION")
 
@@ -41,7 +48,13 @@ if("ssl" IN_LIST CROW_FEATURES)
   list(APPEND _CROW_ICD "CROW_ENABLE_SSL")
 endif()
 
-set_target_properties(Crow::Crow PROPERTIES
-  INTERFACE_COMPILE_DEFINITIONS "${_CROW_ICD}"
-  INTERFACE_LINK_LIBRARIES "${_CROW_ILL}"
-)
+if( NOT (_CROW_ICD STREQUAL "" ) )
+  set_target_properties(Crow::Crow PROPERTIES
+    INTERFACE_COMPILE_DEFINITIONS "${_CROW_ICD}"
+  )
+endif()
+if( NOT (_CROW_ILL STREQUAL "" ) )
+  set_target_properties(Crow::Crow PROPERTIES
+    INTERFACE_LINK_LIBRARIES "${_CROW_ILL}"
+  )
+endif()