diff --git a/SuperBuild/CMake/External_muparser.cmake b/SuperBuild/CMake/External_muparser.cmake
index 4d5bb32095bf76e7e4a032e093d962f6594a0cc1..4e9d0336f11219a87dbc93470a8bf0b2a233f92a 100644
--- a/SuperBuild/CMake/External_muparser.cmake
+++ b/SuperBuild/CMake/External_muparser.cmake
@@ -6,7 +6,7 @@ set(__EXTERNAL_${proj}__ 1)
 message(STATUS "Setup muParser ...")
 
 if(USE_SYSTEM_MUPARSER)
-  find_package ( MUPARSER )
+  find_package ( MuParser )
   add_custom_target(${proj})
   message(STATUS "  Using muParser system version")
 else()
diff --git a/SuperBuild/CMake/External_muparserx.cmake b/SuperBuild/CMake/External_muparserx.cmake
index 87f268578c522a318572d59a008b1986b20ac262..05c49a48921812a5c2395454b6481bfb6639dade 100644
--- a/SuperBuild/CMake/External_muparserx.cmake
+++ b/SuperBuild/CMake/External_muparserx.cmake
@@ -6,7 +6,7 @@ set(__EXTERNAL_${proj}__ 1)
 message(STATUS "Setup muParserX ...")
 
 if(USE_SYSTEM_MUPARSERX)
-  find_package ( MUPARSERX )
+  find_package ( MuParserX )
   add_custom_target(${proj})
   message(STATUS "  Using muParserX system version")
 else()