diff --git a/buildScripts/buildFontforge b/buildScripts/buildFontforge
index a2f75b3..c41fd68 100755
--- a/buildScripts/buildFontforge
+++ b/buildScripts/buildFontforge
@@ -40,7 +40,7 @@ cd fontforge
 ./bootstrap
 
 ./configure			\
-  --prefix=/usr/local		\
+  --prefix=$PDF2HTMLEX_PREFIX	\
   --enable-python-scripting=3	\
   --disable-dependency-tracking	\
   --disable-silent-rules	\
diff --git a/buildScripts/buildInstallLocallyApt b/buildScripts/buildInstallLocallyApt
index 49ba59c..75b45bd 100755
--- a/buildScripts/buildInstallLocallyApt
+++ b/buildScripts/buildInstallLocallyApt
@@ -13,6 +13,8 @@ export MAKE_PARALLEL="-j $(nproc)"
 export PDF2HTMLEX_BRANCH=update-poppler
 # export PDF2HTMLEX_BRANCH="$(git rev-parse --abbrev-ref HEAD)"
 
+export PDF2HTMLEX_PREFIX=/usr/local
+
 ################
 # do the build
 
diff --git a/buildScripts/buildInstallLocallyBrew b/buildScripts/buildInstallLocallyBrew
index aa32c7c..1cb4849 100755
--- a/buildScripts/buildInstallLocallyBrew
+++ b/buildScripts/buildInstallLocallyBrew
@@ -13,6 +13,8 @@ export MAKE_PARALLEL="-j $(nproc)"
 export PDF2HTMLEX_BRANCH=update-poppler
 # export PDF2HTMLEX_BRANCH="$(git rev-parse --abbrev-ref HEAD)"
 
+export PDF2HTMLEX_PREFIX=toBeDetermined
+
 ################
 # do the build
 
diff --git a/buildScripts/buildPdf2htmlEX b/buildScripts/buildPdf2htmlEX
index 1d49382..cf6dd00 100755
--- a/buildScripts/buildPdf2htmlEX
+++ b/buildScripts/buildPdf2htmlEX
@@ -11,5 +11,5 @@ echo ""
 cd pdf2htmlEX
 mkdir build
 cd build
-cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/usr/local ..
+cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=$PDF2HTMLEX_PREFIX ..
 make $MAKE_PARALLEL
diff --git a/buildScripts/buildPdf2htmlEXClang b/buildScripts/buildPdf2htmlEXClang
index 3ea3a3f..eb65509 100755
--- a/buildScripts/buildPdf2htmlEXClang
+++ b/buildScripts/buildPdf2htmlEXClang
@@ -11,5 +11,5 @@ echo ""
 cd pdf2htmlEX
 mkdir build
 cd build
-CC=clang CXX=clang++ cmake -DCMAKE_INSTALL_PREFIX=/usr/local ..
+CC=clang CXX=clang++ cmake -DCMAKE_INSTALL_PREFIX=$PDF2HTMLEX_PREFIX ..
 make $MAKE_PARALLEL
diff --git a/buildScripts/buildPoppler b/buildScripts/buildPoppler
index baf305b..9845412 100755
--- a/buildScripts/buildPoppler
+++ b/buildScripts/buildPoppler
@@ -11,10 +11,6 @@ echo ""
 cd poppler
 mkdir build
 cd build
-cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/usr/local \
+cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=$PDF2HTMLEX_PREFIX \
     -DENABLE_LIBOPENJPEG=none ..
 make $MAKE_PARALLEL
-
-cd ../../poppler-data
-
-make install prefix=/usr/local
diff --git a/buildScripts/createAppImage b/buildScripts/createAppImage
index 6fe9eb8..796567a 100755
--- a/buildScripts/createAppImage
+++ b/buildScripts/createAppImage
@@ -41,11 +41,11 @@ wget https://github.com/linuxdeploy/linuxdeploy/releases/download/continuous/$LI
 
 chmod a+x $LINUX_DEPLOY_APP_IMAGE
 
-./$LINUX_DEPLOY_APP_IMAGE		\
-  -e appDir/usr/local/bin/pdf2htmlEX	\
-  --create-desktop-file			\
-  -i ../pdf2htmlEX/logo/pdf2htmlEX.svg	\
-  --appdir=appDir			\
+./$LINUX_DEPLOY_APP_IMAGE			\
+  -e appDir/$PDF2HTMLEX_PREFIX/bin/pdf2htmlEX	\
+  --create-desktop-file				\
+  -i ../pdf2htmlEX/logo/pdf2htmlEX.svg		\
+  --appdir=appDir				\
   --output appimage
 
 
diff --git a/buildScripts/createDockerImage b/buildScripts/createDockerImage
index e31daa4..a075492 100755
--- a/buildScripts/createDockerImage
+++ b/buildScripts/createDockerImage
@@ -62,7 +62,7 @@ echo "export DOCKER_NAME=\"$DOCKER_NAME\""         >> buildScripts/reSourceVersi
 FROM $DOCKER_FROM
 COPY ./ /
 RUN ldconfig
-ENTRYPOINT ["/usr/local/bin/pdf2htmlEX"]
+ENTRYPOINT ["$PDF2HTMLEX_PREFIX/bin/pdf2htmlEX"]
 DOCKERFILE_HERE_DOC
 
   cd ..
diff --git a/buildScripts/installPoppler b/buildScripts/installPoppler
index 2ae5b15..42ce6ce 100755
--- a/buildScripts/installPoppler
+++ b/buildScripts/installPoppler
@@ -26,17 +26,22 @@ sudo make install
 
 cd ..
 
-sudo mkdir -p               /usr/local/include/poppler
-sudo cp poppler/*.h /usr/local/include/poppler
+sudo mkdir -p               $PDF2HTMLEX_PREFIX/include/poppler
+sudo cp poppler/*.h $PDF2HTMLEX_PREFIX/include/poppler
 
-sudo mkdir -p               /usr/local/include/poppler/goo
-sudo cp goo/*.h     /usr/local/include/poppler/goo
+sudo mkdir -p               $PDF2HTMLEX_PREFIX/include/poppler/goo
+sudo cp goo/*.h     $PDF2HTMLEX_PREFIX/include/poppler/goo
 
-sudo mkdir -p               /usr/local/include/poppler/fofi
-sudo cp fofi/*.h    /usr/local/include/poppler/fofi
+sudo mkdir -p               $PDF2HTMLEX_PREFIX/include/poppler/fofi
+sudo cp fofi/*.h    $PDF2HTMLEX_PREFIX/include/poppler/fofi
 
-sudo mkdir -p               /usr/local/include/poppler/splash
-sudo cp splash/*.h  /usr/local/include/poppler/splash
+sudo mkdir -p               $PDF2HTMLEX_PREFIX/include/poppler/splash
+sudo cp splash/*.h  $PDF2HTMLEX_PREFIX/include/poppler/splash
 
 sudo cp build/poppler/poppler-config.h \
-        /usr/local/include/poppler
+        $PDF2HTMLEX_PREFIX/include/poppler
+
+cd ../poppler-data
+
+sudo make install prefix=$PDF2HTMLEX_PREFIX
+