diff --git a/meson.build b/meson.build
index 36540e07947eb8978a449a173fbaf81a46e2ba5d..e2d38a43e6e6950f1a146a9541ad6597cb00d0e5 100644
--- a/meson.build
+++ b/meson.build
@@ -59,6 +59,12 @@ supported_cpus = ['ppc', 'ppc64', 's390x', 'riscv', 'x86', 'x86_64',
   'arm', 'aarch64', 'mips', 'mips64', 'sparc', 'sparc64']
 
 cpu = host_machine.cpu_family()
+
+# Unify riscv* to a single family.
+if cpu in ['riscv32', 'riscv64']
+  cpu = 'riscv'
+endif
+
 targetos = host_machine.system()
 
 if cpu in ['x86', 'x86_64']