diff --git a/pedantic.cmake b/pedantic.cmake
index 562fbd8..15672f8 100644
--- a/pedantic.cmake
+++ b/pedantic.cmake
@@ -29,7 +29,7 @@ Macro (__PEDANTIC_CHECK_AND_ADD_C_FLAG FLAG)
     Set (CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} ${TEST_FLAG} -Werror")
     CHECK_CXX_COMPILER_FLAG(${TEST_FLAG} ${FLAG_NAME})
     Set (CMAKE_REQUIRED_FLAGS ${OLD_CMAKE_REQUIRED_FLAGS})
-    If (FLAG_NAME)
+    If (${FLAG_NAME})
         Set (PEDANTIC_C_FLAGS "${PEDANTIC_C_FLAGS} ${FLAG}")
     EndIf ( )
 EndMacro ()
@@ -41,7 +41,7 @@ Macro (__PEDANTIC_CHECK_AND_ADD_CXX_FLAG FLAG)
     Set (CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} ${TEST_FLAG} -Werror")
     CHECK_CXX_COMPILER_FLAG(${TEST_FLAG} ${FLAG_NAME})
     Set (CMAKE_REQUIRED_FLAGS ${OLD_CMAKE_REQUIRED_FLAGS})
-    If (FLAG_NAME)
+    If (${FLAG_NAME})
         Set (PEDANTIC_CXX_FLAGS "${PEDANTIC_CXX_FLAGS} ${FLAG}")
     EndIf ( )
 EndMacro ( )
@@ -49,6 +49,9 @@ EndMacro ( )
 Set (PEDANTIC_C_FLAGS "")
 Set (PEDANTIC_CXX_FLAGS "")
 
+Enable_Language ( C )
+Enable_Language ( CXX )
+
 __PEDANTIC_CHECK_AND_ADD_C_FLAG(-g)
 __PEDANTIC_CHECK_AND_ADD_C_FLAG(-Wall)
 __PEDANTIC_CHECK_AND_ADD_C_FLAG(-Wextra)