diff --git a/cmake/GzCodeCoverage.cmake b/cmake/GzCodeCoverage.cmake
index 85e6bdd9..f3142947 100644
--- a/cmake/GzCodeCoverage.cmake
+++ b/cmake/GzCodeCoverage.cmake
@@ -56,7 +56,9 @@ IF(NOT CMAKE_COMPILER_IS_GNUCXX)
   ENDIF()
 ENDIF() # NOT CMAKE_COMPILER_IS_GNUCXX
 
-IF ( NOT (CMAKE_BUILD_TYPE STREQUAL "Debug" OR CMAKE_BUILD_TYPE STREQUAL "Coverage"))
+# Convert to uppercase in order to support arbitrary capitalization
+string(TOUPPER "${CMAKE_BUILD_TYPE}" CMAKE_BUILD_TYPE_UPPERCASE)
+IF ( NOT (CMAKE_BUILD_TYPE_UPPERCASE STREQUAL "DEBUG" OR CMAKE_BUILD_TYPE_UPPERCASE STREQUAL "COVERAGE"))
   MESSAGE( WARNING "Code coverage results with an optimized (non-Debug) build may be misleading" )
 ENDIF() # NOT CMAKE_BUILD_TYPE STREQUAL "Debug"