2 files changed, 2 insertions, 2 deletions
diff --git a/buch/papers/kra/images/multi_mass_spring.tex b/buch/papers/kra/images/multi_mass_spring.tex
index f255cc8..f31db4c 100644
--- a/buch/papers/kra/images/multi_mass_spring.tex
+++ b/buch/papers/kra/images/multi_mass_spring.tex
@@ -5,7 +5,7 @@
 \tikzstyle{mass}=[line width=0.6,red!30!black,fill=red!40!black!10,rounded corners=1,top color=red!40!black!20,bottom color=red!40!black!10,shading angle=20]
 \tikzstyle{spring}=[line width=0.8,blue!7!black!80,snake=coil,segment amplitude=5,line cap=round]
 
-\begin{tikzpicture}[scale=2]
+\begin{tikzpicture}[scale=2, >=latex]
     \newcommand{\ticks}[3]
     {
         % x, y coordinates
diff --git a/buch/papers/kra/images/phase_space.tex b/buch/papers/kra/images/phase_space.tex
index cd51ea4..be445ca 100644
--- a/buch/papers/kra/images/phase_space.tex
+++ b/buch/papers/kra/images/phase_space.tex
@@ -8,7 +8,7 @@
         }
 }
 
-\begin{tikzpicture}[scale=0.6]
+\begin{tikzpicture}[scale=0.6, >=latex]
     % p(t=0) = 0, q(t=0) = A, max(p) = mwA
     \tikzmath{
         \axh = 5.2;