diff --git a/src/makeg95.env b/src/makeg95.env
index 09447800f6..4a895237c3 100644
--- a/src/makeg95.env
+++ b/src/makeg95.env
@@ -175,6 +175,6 @@ LDFLAGS = $(WINDOWSLDFLAGS) -L$(WXDIR)/lib $(EXTRALDFLAGS)
 	$(CC) -c $(CPPFLAGS) -o $@ $*.$(SRCSUFF)
 
 .c.o:
-	$(CC) -c $(CPPFLAGS) -o $@ $*.c
+	$(CC) -c $(CFLAGS) -o $@ $*.c