diff --git a/src/cmd/cc/lex.c b/src/cmd/cc/lex.c
index 63916e2a14..c9facc667e 100644
--- a/src/cmd/cc/lex.c
+++ b/src/cmd/cc/lex.c
@@ -32,7 +32,7 @@
 #include	"y.tab.h"
 
 #ifndef	CPP
-#define	CPP	"/bin/cpp"
+#define	CPP	"cpp"
 #endif
 
 int