diff --git a/source3/configure.developer b/source3/configure.developer
index 91fc5021d98..7906511a16d 100755
--- a/source3/configure.developer
+++ b/source3/configure.developer
@@ -1,3 +1,3 @@
 #!/bin/sh
-export CFLAGS="-g -Wall -Wshadow -Wstrict-prototypes -Wpointer-arith -Wcast-qual -Wcast-align"
+export CFLAGS="-g -O2 -Wall -Wshadow -Wstrict-prototypes -Wpointer-arith -Wcast-qual -Wcast-align"
 ./configure