diff --git a/config/CONFIG_HOST_ARCH.solaris-sparc-debug b/config/CONFIG_HOST_ARCH.solaris-sparc-debug
index df90166be..b254ef043 100644
--- a/config/CONFIG_HOST_ARCH.solaris-sparc-debug
+++ b/config/CONFIG_HOST_ARCH.solaris-sparc-debug
@@ -11,3 +11,4 @@
 
 -include $(EPICS_BASE)/config/CONFIG_HOST_ARCH.solaris
 
+HOST_OPT = NO