diff --git a/rosco/controller/rosco_registry/write_registry.py b/rosco/controller/rosco_registry/write_registry.py
index 6a4ca391..e2106fd6 100644
--- a/rosco/controller/rosco_registry/write_registry.py
+++ b/rosco/controller/rosco_registry/write_registry.py
@@ -219,7 +219,7 @@ def write_roscoio(yfile):
     file.write('    CHARACTER(100)                  :: avrFmt\n')
     file.write('\n')
     file.write('    REAL(DbKi), ALLOCATABLE         :: DebugOutData(:)\n \n')
-    file.write(f'    CHARACTER(30), DIMENSION({n_lv_outputs})      :: LocalVarOutStrings\n')
+    file.write(f'    CHARACTER(15), DIMENSION({n_lv_outputs})      :: LocalVarOutStrings\n')
     file.write('    REAL(DbKi), ALLOCATABLE         :: LocalVarOutData(:)\n \n')
     file.write('    nDebugOuts = {}\n'.format(len(reg['DebugVariables'].keys())))
     file.write('    Allocate(DebugOutData(nDebugOuts))\n')
diff --git a/rosco/controller/src/ROSCO_IO.f90 b/rosco/controller/src/ROSCO_IO.f90
index 2a5111d2..399124d3 100644
--- a/rosco/controller/src/ROSCO_IO.f90
+++ b/rosco/controller/src/ROSCO_IO.f90
@@ -693,7 +693,7 @@ SUBROUTINE Debug(LocalVar, CntrPar, DebugVar, ErrVar, avrSWAP, RootName, size_av
 
     REAL(DbKi), ALLOCATABLE         :: DebugOutData(:)
  
-    CHARACTER(30), DIMENSION(146)      :: LocalVarOutStrings
+    CHARACTER(15), DIMENSION(146)      :: LocalVarOutStrings
     REAL(DbKi), ALLOCATABLE         :: LocalVarOutData(:)
  
     nDebugOuts = 26