diff --git a/apps/bash_shared/defines.sh b/apps/bash_shared/defines.sh
index 8a3eb6e18..605d3c30f 100644
--- a/apps/bash_shared/defines.sh
+++ b/apps/bash_shared/defines.sh
@@ -1,4 +1,4 @@
-unamestr=`uname`
+unamestr=$(uname)
 if [[ "$unamestr" == 'Darwin' ]]; then
    AC_PATH_ROOT=$(greadlink -f "$AC_PATH_APPS/../")
 else
diff --git a/apps/compiler/includes/functions.sh b/apps/compiler/includes/functions.sh
index f9ac5ce08..ff2537535 100644
--- a/apps/compiler/includes/functions.sh
+++ b/apps/compiler/includes/functions.sh
@@ -46,7 +46,7 @@ function comp_configure() {
 
 
 function comp_compile() {
-  [ $MTHREADS == 0 ] && MTHREADS=`grep -c ^processor /proc/cpuinfo` && MTHREADS=$(($MTHREADS + 2))
+  [ $MTHREADS == 0 ] && MTHREADS=$(grep -c ^processor /proc/cpuinfo) && MTHREADS=$(($MTHREADS + 2))
 
   echo "Using $MTHREADS threads"
 
diff --git a/apps/installer/includes/includes.sh b/apps/installer/includes/includes.sh
index 9c874beef..5afd4a159 100644
--- a/apps/installer/includes/includes.sh
+++ b/apps/installer/includes/includes.sh
@@ -17,8 +17,8 @@ if [ ! -d "$J_PATH/.git" ]; then
     git --git-dir="$J_PATH/.git/" --work-tree="$J_PATH/" reset --hard "$J_VER_REQ"
 else
     # legacy code, with new rev of joiner the update process is internally handled
-    _cur_branch=`git --git-dir="$J_PATH/.git/" --work-tree="$J_PATH/" rev-parse --abbrev-ref HEAD`
-    _cur_ver=`git --git-dir="$J_PATH/.git/" --work-tree="$J_PATH/" name-rev --tags --name-only $_cur_branch`
+    _cur_branch=$(git --git-dir="$J_PATH/.git/" --work-tree="$J_PATH/" rev-parse --abbrev-ref HEAD)
+    _cur_ver=$(git --git-dir="$J_PATH/.git/" --work-tree="$J_PATH/" name-rev --tags --name-only $_cur_branch)
     if [ "$_cur_ver" != "$J_VER_REQ" ]; then
         git --git-dir="$J_PATH/.git" --work-tree="$J_PATH/" rev-parse && git --git-dir="$J_PATH/.git" --work-tree="$J_PATH/" fetch --tags origin master --quiet
         git --git-dir="$J_PATH/.git/" --work-tree="$J_PATH/" reset --hard "$J_VER_REQ"