diff --git a/src/Makefile b/src/Makefile
index 11cd3a3899..780b45ce7d 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -72,7 +72,7 @@ endif
 
 ifeq ($(COMPILER),intel)
   F90 = ifort
-  F90FLAGS := -cpp -warn -assume byterecl -traceback
+  F90FLAGS := -fpp -warn -assume byterecl -traceback
   LDFLAGS =
 
   # Debugging