diff --git a/code/makefile b/code/makefile
index 33bd812..88be28f 100644
--- a/code/makefile
+++ b/code/makefile
@@ -6,16 +6,16 @@ endif
 
 compiler = gfortran
 
-ex  : test.o ysolve.mod compact.mod
+ex  : test.o ysolve.o Compact.o
 	${compiler} -o ex test.o ysolve.o Compact.o 
 
-test.o  : test.f90 ysolve.mod
+test.o  : test.f90 ysolve.mod compact.mod
 	${compiler} -c ${flags} test.f90
 
-ysolve.mod: ysolve.f90 compact.mod
+ysolve.o ysolve.mod : ysolve.f90 compact.mod
 	${compiler} -c ${flags} ysolve.f90
 
-compact.mod: Compact.f90
+Compact.o compact.mod : Compact.f90
 	${compiler} -c ${flags} Compact.f90
 
 test: ex