diff --git a/.gitignore b/.gitignore
index d14c9252c6c46be7114902d2823c8faca8ca9c3d..bf8ba0c891bddd3bb09424fcda1ae507972e9496 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,3 +13,4 @@ guide/installation.pdf
 *.dvi
 *.ind
 *.ilg
+*.hd
diff --git a/source/polytechnique.dtx b/source/polytechnique.dtx
index c69de1b2d9c1b8b00623fc9a0fcb140e9544daf8..26d7c7558ac70e11c03de7128767e99f1058e912 100644
--- a/source/polytechnique.dtx
+++ b/source/polytechnique.dtx
@@ -897,7 +897,6 @@ LaTeX version 1999/12/01 or later.
     	\begin{minipage}{5\largeurlogohori}
     	    \centering
     	    \raisebox{-0.5\height}{
-                \color{bleu303}
                 \includegraphics[width=1.5\largeurlogohori]
                     {\polylogohori}
             }
@@ -927,7 +926,7 @@ LaTeX version 1999/12/01 or later.
 %    \end{macrocode}
 %Les logos sont cntrés verticalement grâce au |\raisebox|. |\height| contient la hauteur de la |minipage| en cours.
 %    \begin{macrocode}
-                    {\color{bleu303}%
+                    {%
                         \includegraphics[width=\largeurlogovert]
                         {\polylogovert}
                     }
@@ -971,7 +970,7 @@ LaTeX version 1999/12/01 or later.
 %    \end{macrocode}
 %Les blocs sont séparés par des ressorts horizontaux. Vient ensuite le bloc central avec le logo de l'X.
 %    \begin{macrocode}
-    {\color{bleu303}%
+    {%
     \includegraphics[width=\largeurlogovert]{\polylogovert}}
     \hspace*{\fill}%
 %    \end{macrocode}
diff --git a/source/polytechnique.pdf b/source/polytechnique.pdf
index abefd9eb4a22a7d06b3fa83a9223a952394e060a..5b6d22d26bce8c1904869c6431eaf4e975c684b3 100644
Binary files a/source/polytechnique.pdf and b/source/polytechnique.pdf differ
diff --git a/source/polytechnique.sty b/source/polytechnique.sty
index 72e98769ebe90e21b4ef5efeb9c43cb2d35bdb4f..56a65367844ad225e19de17792bae8525239f4ad 100644
--- a/source/polytechnique.sty
+++ b/source/polytechnique.sty
@@ -361,7 +361,6 @@
      \begin{minipage}{5\largeurlogohori}
          \centering
          \raisebox{-0.5\height}{
-                \color{bleu303}
                 \includegraphics[width=1.5\largeurlogohori]
                     {\polylogohori}
             }
@@ -379,7 +378,7 @@
             \centering
             \begin{minipage}{0.33\textwidth}
                 \raisebox{-0.5\height}
-                    {\color{bleu303}%
+                    {%
                         \includegraphics[width=\largeurlogovert]
                         {\polylogovert}
                     }
@@ -409,7 +408,7 @@
         \hspace{0cm}\polyauthorsave
     \end{minipage}%
     \hspace*{\fill}
-    {\color{bleu303}%
+    {%
     \includegraphics[width=\largeurlogovert]{\polylogovert}}
     \hspace*{\fill}%
     \begin{minipage}[b]{\largeurminipage}