diff --git a/srcpkgs/ldb/template b/srcpkgs/ldb/template
index d650134ac72..f46ed0d61a5 100644
--- a/srcpkgs/ldb/template
+++ b/srcpkgs/ldb/template
@@ -16,6 +16,11 @@ checksum=232e54b87c53210a6861424ad411b04dbfa0f2ca4bc463aefea188158e0cc963
 
 nocross="see srcpkgs/tdb (cross-32bit.answers)."
 
+# workaround broken uintptr_t definition on musl
+if [ "$XBPS_TARGET_WORDSIZE" = "64" -a "$XBPS_TARGET_LIBC" = "musl" ]; then
+	CFLAGS+=" -D__WORDSIZE=64"
+fi
+
 ldb-devel_package() {
 	short_desc+=" - development files"
 	depends="${makedepends} ${sourcepkg}>=${version}_${revision}"