diff --git a/installJava.sh b/installJava.sh
index 0e79c0c..ff729e5 100644
--- a/installJava.sh
+++ b/installJava.sh
@@ -1,4 +1,5 @@
 # Install SDKMAN
+which curl &> /dev/null || sudo apt update && sudo apt install curl # Install curl if not already installed
 curl -s "https://get.sdkman.io" | bash
 source "$HOME/.sdkman/bin/sdkman-init.sh"
 
diff --git a/installSpotify.sh b/installSpotify.sh
index 3345110..ef1172b 100644
--- a/installSpotify.sh
+++ b/installSpotify.sh
@@ -2,8 +2,7 @@
 sudo snap remove spotify 2> /dev/null
 sudo flatpak uninstall com.spotify.Client 2> /dev/null
 # We install the version from the official website
-sudo apt update
-sudo apt install curl -y
+which curl &> /dev/null || sudo apt update && sudo apt install curl # Install curl if not already installed
 curl -sS https://download.spotify.com/debian/pubkey_0D811D58.gpg | sudo apt-key add -
 echo "deb http://repository.spotify.com stable non-free" | sudo tee /etc/apt/sources.list.d/spotify.list
 sudo apt update
diff --git a/installSyncthing.sh b/installSyncthing.sh
index 55c37dd..8a12721 100644
--- a/installSyncthing.sh
+++ b/installSyncthing.sh
@@ -1,6 +1,5 @@
 # We add the official deposit of Syncthing
-sudo apt update
-sudo apt install curl -y
+which curl &> /dev/null || sudo apt update && sudo apt install curl # Install curl if not already installed
 sudo curl -s -o /usr/share/keyrings/syncthing-archive-keyring.gpg https://syncthing.net/release-key.gpg
 echo "deb [signed-by=/usr/share/keyrings/syncthing-archive-keyring.gpg] https://apt.syncthing.net/ syncthing stable" | sudo tee /etc/apt/sources.list.d/syncthing.list
 # Install Syncthing