diff --git a/gnuplot_scripts/Euro_exchange_rate_to_TRY_6000px_wide.plt b/gnuplot_scripts/Euro_exchange_rate_to_TRY_6000px_wide.plt
index 39350af..c00fd82 100644
--- a/gnuplot_scripts/Euro_exchange_rate_to_TRY_6000px_wide.plt
+++ b/gnuplot_scripts/Euro_exchange_rate_to_TRY_6000px_wide.plt
@@ -27,8 +27,8 @@ set style data lines
 set border 11              # Rahmen unten (Bit 1) und links (+ Bit 2) 
 set grid                   # Gitterlinien verwenden
 # Gitterlinienen per Hand setzen falls gewünscht 
-set style line 1 linetype rgb '#696969' linewidth 0.5 dashtype 0 # Def. Major-grid
-set style line 2 linetype rgb '#C9C9C9' linewidth 0.5 dashtype 3 # def. Minor-grid
+set style line 1 linetype rgb '#696969' linewidth 0.25 # Def. Major-grid
+set style line 2 linetype rgb '#C9C9C9' linewidth 0.15# def. Minor-grid
 set grid  xtics mxtics     # eventuell noxtics und nomxtics
 set grid  ytics mytics     # eventuell noytics und nomytics
 set grid  back             # Gitter im Hintergrund
@@ -68,7 +68,11 @@ do for [i=1950:2050:1] {
 }
 
 ## gnuplot for SVG - gnuplot 4.2 / Ubuntu 8.10 
-set term svg size 6000,400 font "Arial,16"
+if (GPVAL_VERSION >= 5.0) {
+  set term svg size 6000,400 font "Arial,16"
+} else {
+  set term svg size 6000,400 font "Arial,12"
+}
 
 set outp outfile
 set style line 1 lt rgb 'blue' lw 1
diff --git a/gnuplot_scripts/Euro_exchange_rate_to_TRY_800px_wide.plt b/gnuplot_scripts/Euro_exchange_rate_to_TRY_800px_wide.plt
index 64c52e2..9f8faa4 100644
--- a/gnuplot_scripts/Euro_exchange_rate_to_TRY_800px_wide.plt
+++ b/gnuplot_scripts/Euro_exchange_rate_to_TRY_800px_wide.plt
@@ -27,8 +27,8 @@ set style data lines
 set border 9              # Rahmen unten (Bit 1) und links (+ Bit 2) 
 unset grid                   # Gitterlinien verwenden
 # Gitterlinienen per Hand setzen falls gewünscht 
-set style line 1 linetype rgb '#696969' linewidth 0.5 dashtype 0 # Def. Major-grid
-set style line 2 linetype rgb '#C9C9C9' linewidth 0.5 dashtype 3 # def. Minor-grid
+set style line 1 linetype rgb '#696969' linewidth 0.25 # Def. Major-grid
+set style line 2 linetype rgb '#C9C9C9' linewidth 0.15 # def. Minor-grid
 set grid  xtics mxtics     # eventuell noxtics und nomxtics
 set grid  y2tics my2tics     # eventuell noytics und nomytics
 set grid  back             # Gitter im Hintergrund
@@ -68,7 +68,11 @@ do for [i=1950:2050:1] {
 }
 
 ## gnuplot for SVG - gnuplot 4.2 / Ubuntu 8.10 
-set term svg size 800,400 font "Arial,16"
+if (GPVAL_VERSION >= 5.0) {
+  set term svg size 800,400 font "Arial,16"
+} else {
+  set term svg size 800,400 font "Arial,12"
+}
 
 set outp outfile
 set style line 1 lt rgb 'blue' lw 1