diff --git a/Base/CMakeLists.txt b/Base/CMakeLists.txt
index 4dfdc82..68eae2a 100644
--- a/Base/CMakeLists.txt
+++ b/Base/CMakeLists.txt
@@ -63,7 +63,7 @@ CHECK_CXX_SOURCE_COMPILES("
     uint64_t ux64 = 3;
     return (x8 | ux8 | x16 | ux16 | x32 | ux32 | x64 | ux64);
   }"
-  HAS_CPP11_TYPES
+  FASTC_BASE_HAS_CPP11_TYPES
 )
 
 CONFIGURE_FILE(
diff --git a/Base/include/TexCompTypes.h b/Base/include/TexCompTypes.h
index dfbcd9b..779c91b 100644
--- a/Base/include/TexCompTypes.h
+++ b/Base/include/TexCompTypes.h
@@ -75,7 +75,7 @@ typedef uint32_t uint32;
 typedef int64_t int64;
 typedef uint64_t uint64;
 
-typedef int8_t CHAR;
+typedef char CHAR;
 
 #else