diff --git a/book/carrot/fwi/adjoint/.rsfproj b/book/carrot/fwi/adjoint/.rsfproj
new file mode 100644
index 0000000000..835804d3d4
--- /dev/null
+++ b/book/carrot/fwi/adjoint/.rsfproj
@@ -0,0 +1,3 @@
+uses=['sfspike', 'sfricker2', 'sfcat', 'sfput', 'sfacoustic1D', 'sfsmooth', 'sfacoustic1D_FWI_adj', 'sfgraph']
+data=[]
+size=    1219200
diff --git a/book/carrot/fwi/adjoint/SConstruct b/book/carrot/fwi/adjoint/SConstruct
index 605f391586..2499084cfb 100644
--- a/book/carrot/fwi/adjoint/SConstruct
+++ b/book/carrot/fwi/adjoint/SConstruct
@@ -13,7 +13,7 @@ Flow('vel_mid',['vel1','vel2', 'vel3','vel4'],'cat axis=1  ${SOURCES[1:-1]}')
 Flow('vel','vel_mid','put label1=Distance unit1=m')
 
 
-Flow(['rec','rec_all'],'src','acoustic1D  vel=vel.rsf sx=10 rx=10 rec_all=${TARGETS[1]}' )
+Flow(['rec','rec_all'],'src vel','acoustic1D  vel=${SOURCES[1]} sx=10 rx=10 rec_all=${TARGETS[1]}' )
 
 Flow('vel_ini','vel','smooth rect1=25')
 Flow('vel_recover',['rec','vel_ini','src'],'acoustic1D_FWI_adj  vel=${SOURCES[1]} src=${SOURCES[2]}  sx=10 rx=10 niter=200' )
@@ -36,4 +36,4 @@ Result('vel_compare2','vel_compare2','graph title="Ture and recovered velocity w
 
 
 
-End()
\ No newline at end of file
+End()