diff --git a/homepage/footer.html b/homepage/footer.html
index 0afb85b..8e0dd3a 100644
--- a/homepage/footer.html
+++ b/homepage/footer.html
@@ -19,7 +19,7 @@ a {
 <p>	<a href="https://github.com/mcguirepr89/BirdNET-Pi" target="_top">Project Page</a> | 
 	<a href="https://birdnetwiki.pmcgui.xyz" target="content">Wiki Help Page</a> | 
 	<a href="http://birdnetpi.local/stream" target="footer">Live Audio Stream</a> | 
-	<a href="http://birdnetpi.local/spectrogram.png" target="content">Realtime Spectrogram</a> | 
+	<a href="http://birdnetpi.local/spectrogram.php" target="content">Realtime Spectrogram</a> | 
 	<a href="external.html" target="content">Links to External Pages</a> | 
 	<a href="https://www.accuweather.com" target="content">Weather</a> | 
 	<a href="https://www.birds.cornell.edu" target="_content">The Cornell Lab of Ornitology</a>
diff --git a/homepage/mobile.html b/homepage/mobile.html
index e0d7485..832b58f 100644
--- a/homepage/mobile.html
+++ b/homepage/mobile.html
@@ -432,7 +432,7 @@ footer {
 					<tr class="file">
 						<td></td>
 						<td>
-							<form action="/spectrogram.png">
+							<form action="/spectrogram.php">
                                                     	    <input type="submit" value="Spectrogram View">
 							</form>
 
diff --git a/scripts/install_services.sh b/scripts/install_services.sh
index ffa8303..d534172 100755
--- a/scripts/install_services.sh
+++ b/scripts/install_services.sh
@@ -128,7 +128,7 @@ create_necessary_dirs() {
     done
   fi
 
-  sudo -u ${USER} ln -fs $(dirname ${my_dir})/scripts/spectrogram.* ${EXTRACTED}
+  sudo -u ${USER} ln -fs $(dirname ${my_dir})/scripts/spectrogram.php ${EXTRACTED}
   sudo -u ${USER} ln -fs $(dirname ${my_dir})/scripts/viewdb.php ${EXTRACTED}
   sudo -u ${USER} ln -fs ${HOME}/phpsysinfo ${EXTRACTED}
   [ -L ${EXTRACTED}/phpsysinfo/phpsysinfo.ini ] || sudo -u ${USER} cp ${HOME}/phpsysinfo/phpsysinfo.ini.new ${HOME}/phpsysinfo/phpsysinfo.ini
diff --git a/scripts/update_services.sh b/scripts/update_services.sh
index 9ebbb43..b48c502 100755
--- a/scripts/update_services.sh
+++ b/scripts/update_services.sh
@@ -128,7 +128,7 @@ create_necessary_dirs() {
     done
   fi
 
-  sudo -u ${USER} ln -fs $(dirname ${my_dir})/scripts/spectrogram.* ${EXTRACTED}
+  sudo -u ${USER} ln -fs $(dirname ${my_dir})/scripts/spectrogram.php ${EXTRACTED}
   sudo -u ${USER} ln -fs $(dirname ${my_dir})/scripts/viewdb.php ${EXTRACTED}
   sudo -u ${USER} ln -fs ${HOME}/phpsysinfo ${EXTRACTED}
   [ -L ${EXTRACTED}/phpsysinfo/phpsysinfo.ini ] || sudo -u ${USER} cp ${HOME}/phpsysinfo/phpsysinfo.ini.new ${HOME}/phpsysinfo/phpsysinfo.ini