diff --git a/build/jam/OptionalPackages b/build/jam/OptionalPackages
index 2e253e0148..7bb06f9e3d 100644
--- a/build/jam/OptionalPackages
+++ b/build/jam/OptionalPackages
@@ -525,9 +525,7 @@ if [ IsOptionalHaikuImagePackageAdded CLucene ] {
 
 # CMake
 if [ IsOptionalHaikuImagePackageAdded CMake ] {
-	if $(TARGET_ARCH) != x86 {
-		Echo "No optional package CMake available for $(TARGET_ARCH)" ;
-	} else {
+	if $(TARGET_ARCH) = x86 {
 		if $(HAIKU_GCC_VERSION[1]) >= 4 {
 			InstallOptionalHaikuImagePackage
 				cmake-2.8.5-r1a4-x86-gcc4-2012-08-28.zip
@@ -539,6 +537,13 @@ if [ IsOptionalHaikuImagePackageAdded CMake ] {
 				: $(baseURL)/cmake-2.8.5-r1a4-x86-gcc2-2012-08-27.zip
 				: : true ;
 		}
+	} else if $(TARGET_ARCH) = x86_64 {
+		InstallOptionalHaikuImagePackage
+			cmake-2.8.5-x86_64-2013-07-28.zip
+			: $(baseURL)/cmake-2.8.5-x86_64-2013-07-28.zip
+			: : true ;
+	} else {
+		Echo "No optional package CMake available for $(TARGET_ARCH)" ;
 	}
 }