diff --git a/src/configure b/src/configure
index d5e8448..b13d8fc 100755
--- a/src/configure
+++ b/src/configure
@@ -118,7 +118,7 @@ CC = gcc
 CFLAGS = -g -O3 -Wall -DMACOSX -DGCC $MFLAG -D_FILE_OFFSET_BITS=64 -fopenmp
 
 F77 = gfortran
-FFLAGS:= -Wall -g -O3 -DGFORTRAN -ff2c $MFLAG -D_FILE_OFFSET_BITS=64 -fopenmp
+FFLAGS:= -Wall -g -O3 -DGFORTRAN -ff2c $MFLAG -D_FILE_OFFSET_BITS=64 -fopenmp -ffixed-line-length-none
 #STATICFLAGS:= -static-libgfortran
 STATICFLAGS:= -nodefaultlibs -lSystem -lgcc -lm -lgfortran_static
 # static linking of gfortran library to compile for distribution.
@@ -254,7 +254,7 @@ CFLAGS = -g -O3 -Wall -DMACOSX -DGCC -D_FILE_OFFSET_BITS=64 -fopenmp
 
 # gnu g77 (which assumes no SAVE)
 F77 = g77
-FFLAGS = -Wimplicit -fbounds-check -g -O3 -DG77 -D_FILE_OFFSET_BITS=64 -fopenmp
+FFLAGS = -Wimplicit -fbounds-check -g -O3 -DG77 -D_FILE_OFFSET_BITS=64 -fopenmp -ffixed-line-length-none
 
 #MAKE=gmake