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-rw-r--r--graphics/pgf/contrib/circuitikz/tex/pgfcircutils.tex2
1 files changed, 1 insertions, 1 deletions
diff --git a/graphics/pgf/contrib/circuitikz/tex/pgfcircutils.tex b/graphics/pgf/contrib/circuitikz/tex/pgfcircutils.tex
index 8d9a4ad46a..ae5fcf38de 100644
--- a/graphics/pgf/contrib/circuitikz/tex/pgfcircutils.tex
+++ b/graphics/pgf/contrib/circuitikz/tex/pgfcircutils.tex
@@ -96,7 +96,7 @@
%% changes suggested by Jonathan P. Spratte
%%
\newbox\ctikz@scratchbox
-\long\def\ctikzsubcircuitdef#1#2#3{%
+\pgfutil@protected\def\ctikzsubcircuitdef#1#2#3{%
\expandafter\gdef\csname #1@Anchor\endcsname{}%
\expandafter\gdef\csname #1@setanchors\endcsname{%
\setbox\ctikz@scratchbox=\hbox{%