diff --git a/pika-build-config/v3.sh b/pika-build-config/v3.sh
index baadcb562..d2807577d 100644
--- a/pika-build-config/v3.sh
+++ b/pika-build-config/v3.sh
@@ -1,5 +1,5 @@
 export PIKA_PACKAGE_VERSION="5.15.15+dfsg-1"
-export PIKA_PACKAGE_NAME="qtbase-opensource-src"
+export PIKA_PACKAGE_NAME="qtdeclarative-opensource-src"
 export PIKA_PACKAGE_PATCH=false
 export PIKA_REBUILD=false
 export PIKA_REBUILD_VERSION="b1"