diff --git a/build/jam/OptionalPackages b/build/jam/OptionalPackages
index 0601da29c8..0b32869add 100644
--- a/build/jam/OptionalPackages
+++ b/build/jam/OptionalPackages
@@ -903,8 +903,8 @@ if [ IsOptionalHaikuImagePackageAdded P7zip ] {
 				:
 			;
 		} else {
-			InstallOptionalHaikuImagePackage p7zip-9.04-r1a2-x86-gcc2-2010-04-22.zip
-				: $(baseURL)/p7zip-9.04-r1a2-x86-gcc2-2010-04-22.zip
+			InstallOptionalHaikuImagePackage p7zip-9.04-r1a2-x86-gcc2-2010-04-22b.zip
+				: $(baseURL)/p7zip-9.04-r1a2-x86-gcc2-2010-04-22b.zip
 				:
 			;
 		}