diff --git a/configure/os/CONFIG.Common.solaris-sparc64 b/configure/os/CONFIG.Common.solaris-sparc64
index e365bb763..ca95fd374 100644
--- a/configure/os/CONFIG.Common.solaris-sparc64
+++ b/configure/os/CONFIG.Common.solaris-sparc64
@@ -10,6 +10,6 @@
 # Include definitions common to all solaris-sparc target archs
 include $(CONFIG)/os/CONFIG.Common.solaris-sparc
 
-ARCH_DEP_CFLAGS += -xtarget=ultra -xarch=v9
-ARCH_DEP_CXXFLAGS += -xtarget=ultra -xarch=v9
-ARCH_DEP_LDFLAGS += -xtarget=ultra -xarch=v9
+ARCH_DEP_CFLAGS +=   -xarch=generic64
+ARCH_DEP_CXXFLAGS += -xarch=generic64
+ARCH_DEP_LDFLAGS +=  -xarch=generic64