diff --git a/srcpkgs/python3-h5py/template b/srcpkgs/python3-h5py/template
index c95ea6d7bee..1928815fe79 100644
--- a/srcpkgs/python3-h5py/template
+++ b/srcpkgs/python3-h5py/template
@@ -1,10 +1,10 @@
 # Template file for 'python3-h5py'
 pkgname=python3-h5py
 version=3.13.0
-revision=1
+revision=2
 build_style=python3-module
 build_helper="numpy"
-hostmakedepends="python3-setuptools python3-Cython python3-pkgconfig"
+hostmakedepends="python3-setuptools python3-Cython python3-pkgconfig hdf5-devel"
 makedepends="python3-devel hdf5-devel"
 depends="python3-numpy"
 short_desc="HDF5 for Python"
@@ -16,6 +16,14 @@ checksum=1870e46518720023da85d0895a1960ff2ce398c5671eac3b1a41ec696b7105c3
 # Tests require unpackaged pytest-mpi
 make_check=no
 
+post_patch() {
+	if [ -n "$CROSS_BUILD" ] && [ "$XBPS_TARGET_WORDSIZE" = "32" ]; then
+		# numpy.complex256 is N/A on 32 bit; it is misdetected if host is 64 bit
+		# we need `DEF COMPLEX256_SUPPORT = False`, this seems the easiest way
+		vsed -e 's/{complex256_support}/False/' -i setup_build.py
+	fi
+}
+
 pre_build() {
 	# Build in parallel
 	make_build_args+=" ${makejobs}"