diff --git a/config/CONFIG.Host.Linux b/config/CONFIG.Host.Linux
index 6d717234d..2f595e90a 100644
--- a/config/CONFIG.Host.Linux
+++ b/config/CONFIG.Host.Linux
@@ -20,7 +20,7 @@ G++_SHRLIB_LDFLAGS_YES +=  -Wl,-soname,$@
 
 OP_SYS_CFLAGS += -D_BSD_SOURCE
 
-ARCH_DEP_CFLAGS = -D_X86_ -Dlinux -mpentium
+ARCH_DEP_CFLAGS = -D_X86_ -Dlinux -mcpu=pentium
 ARCH_DEP_LDLIBS += -lpthread -lreadline -lcurses -lrt
 
 #Allows R3.13 built extensions to load R3.14 shared libs