diff --git a/src/forces.f90 b/src/forces.f90
index 6e79d15731b8f84b5c70ebaf4d1783fb0b484e83..2895f3e6826820b136e9facdf682086e15c09a0d 100644
--- a/src/forces.f90
+++ b/src/forces.f90
@@ -1172,8 +1172,8 @@ contains
             open(103,file="upperside.dat",status='unknown',form='formatted')
             open(104,file="leftside.dat",status='unknown',form='formatted')
             open(105,file="rightside.dat",status='unknown',form='formatted')
-            open(106,file="ytorque_decomposition",status='unknown',form='formatted')
-            open(107,file="ztorque_decomposition",status='unknown',form='formatted')
+            open(106,file="ytorque_decomposition.dat",status='unknown',form='formatted')
+            open(107,file="ztorque_decomposition.dat",status='unknown',form='formatted')
         endif
 
      enddo