diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 75df37a..4e31cd3 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -103,19 +103,19 @@ else( )
 endif( )
 
 # Define a version for the code
-if( NOT DEFINED clBLAS_VERSION_MAJOR )
-    set( clBLAS_VERSION_MAJOR 2 )
+if( NOT DEFINED CLBLAS_VERSION_MAJOR )
+    set( CLBLAS_VERSION_MAJOR 2 )
 endif( )
 
-if( NOT DEFINED clBLAS_VERSION_MINOR )
-    set( clBLAS_VERSION_MINOR 12 )
+if( NOT DEFINED CLBLAS_VERSION_MINOR )
+    set( CLBLAS_VERSION_MINOR 12 )
 endif( )
 
-if( NOT DEFINED clBLAS_VERSION_PATCH )
-    set( clBLAS_VERSION_PATCH 0 )
+if( NOT DEFINED CLBLAS_VERSION_PATCH )
+    set( CLBLAS_VERSION_PATCH 0 )
 endif( )
 
-set( clBLAS_VERSION "${clBLAS_VERSION_MAJOR}.${clBLAS_VERSION_MINOR}.${clBLAS_VERSION_PATCH}")
+set( clBLAS_VERSION "${CLBLAS_VERSION_MAJOR}.${CLBLAS_VERSION_MINOR}.${CLBLAS_VERSION_PATCH}")
 
 # Increment this if we break backward compatibility.
 set( clBLAS_SOVERSION 2 )
@@ -425,9 +425,9 @@ endif( )
 
 set( CPACK_SOURCE_PACKAGE_FILE_NAME "${CMAKE_PROJECT_NAME}-${clBLAS_VERSION}-${CMAKE_HOST_SYSTEM_NAME}-Source")
 
-set( CPACK_PACKAGE_VERSION_MAJOR ${clBLAS_VERSION_MAJOR} )
-set( CPACK_PACKAGE_VERSION_MINOR ${clBLAS_VERSION_MINOR} )
-set( CPACK_PACKAGE_VERSION_PATCH ${clBLAS_VERSION_PATCH} )
+set( CPACK_PACKAGE_VERSION_MAJOR ${CLBLAS_VERSION_MAJOR} )
+set( CPACK_PACKAGE_VERSION_MINOR ${CLBLAS_VERSION_MINOR} )
+set( CPACK_PACKAGE_VERSION_PATCH ${CLBLAS_VERSION_PATCH} )
 set( CPACK_PACKAGE_DESCRIPTION_SUMMARY "OpenCL implementation of a BLAS library")
 set( CPACK_PACKAGE_VENDOR "Neutral")
 set( CPACK_SOURCE_IGNORE_FILES "/\\\\.hg/;/\\\\.svn/;/\\\\.git/" )
diff --git a/src/clBLAS.version.h.in b/src/clBLAS.version.h.in
index a05cbce..ab22a87 100644
--- a/src/clBLAS.version.h.in
+++ b/src/clBLAS.version.h.in
@@ -17,6 +17,6 @@
 
 /* the configured version and settings for clblas
  */
-#define clblasVersionMajor @clBLAS_VERSION_MAJOR@
-#define clblasVersionMinor @clBLAS_VERSION_MINOR@
-#define clblasVersionPatch @clBLAS_VERSION_PATCH@
+#define clblasVersionMajor @CLBLAS_VERSION_MAJOR@
+#define clblasVersionMinor @CLBLAS_VERSION_MINOR@
+#define clblasVersionPatch @CLBLAS_VERSION_PATCH@