diff --git a/package/openblas/openblas.mk b/package/openblas/openblas.mk
index 64e3b00691..ce0a21c5e6 100644
--- a/package/openblas/openblas.mk
+++ b/package/openblas/openblas.mk
@@ -49,7 +49,9 @@ ifeq ($(BR2_STATIC_LIBS),y)
 OPENBLAS_MAKE_OPTS += NO_SHARED=1
 endif
 
-ifeq ($(BR2_ARCH_IS_64),y)
+# mips64 n32 is a 64-bit architecture, but with 32-bit pointers, so
+# openblas must be built with BINARY=32
+ifeq ($(BR2_ARCH_IS_64)$(BR2_MIPS_NABI32),y)
 OPENBLAS_MAKE_OPTS += BINARY=64
 else
 OPENBLAS_MAKE_OPTS += BINARY=32