diff --git a/bundles/org.openhab.core.voice/src/main/java/org/openhab/core/voice/internal/cache/TTSLRUCacheImpl.java b/bundles/org.openhab.core.voice/src/main/java/org/openhab/core/voice/internal/cache/TTSLRUCacheImpl.java
index ace6df0dce6..96e4d9bc5e1 100644
--- a/bundles/org.openhab.core.voice/src/main/java/org/openhab/core/voice/internal/cache/TTSLRUCacheImpl.java
+++ b/bundles/org.openhab.core.voice/src/main/java/org/openhab/core/voice/internal/cache/TTSLRUCacheImpl.java
@@ -53,9 +53,11 @@ public class TTSLRUCacheImpl implements TTSCache {
 
     // a small default cache size for all the TTS services (in kB)
     private static final long DEFAULT_CACHE_SIZE_TTS = 10240;
+    private static final int DEFAULT_MAX_TEXT_LENGTH_CACHE_TTS = 150;
 
     static final String CONFIG_CACHE_SIZE_TTS = "cacheSizeTTS";
     static final String CONFIG_ENABLE_CACHE_TTS = "enableCacheTTS";
+    static final String CONFIG_MAX_TEXTLENGTH_CACHE_TTS = "maxTextLengthCacheTTS";
 
     static final String VOICE_TTS_CACHE_PID = "org.openhab.voice.tts";
 
@@ -66,6 +68,12 @@ public class TTSLRUCacheImpl implements TTSCache {
      * current request is not known and may or may not exceed the limit.
      */
     protected long cacheSizeTTS = DEFAULT_CACHE_SIZE_TTS * 1024;
+    /**
+     * The maximum length of texts handled by the TTS cache (in character). If exceeded, will pass the text to
+     * the TTS without storing it. (One can safely assume that long TTS are generated for report, probably not meant to
+     * be repeated)
+     */
+    private long maxTextLengthCacheTTS = DEFAULT_MAX_TEXT_LENGTH_CACHE_TTS;
     protected boolean enableCacheTTS = true;
 
     private StorageService storageService;
@@ -89,6 +97,8 @@ protected void modified(Map<String, Object> config) {
         this.enableCacheTTS = ConfigParser.valueAsOrElse(config.get(CONFIG_ENABLE_CACHE_TTS), Boolean.class, true);
         this.cacheSizeTTS = ConfigParser.valueAsOrElse(config.get(CONFIG_CACHE_SIZE_TTS), Long.class,
                 DEFAULT_CACHE_SIZE_TTS) * 1024;
+        this.maxTextLengthCacheTTS = ConfigParser.valueAsOrElse(config.get(CONFIG_MAX_TEXTLENGTH_CACHE_TTS),
+                Integer.class, DEFAULT_MAX_TEXT_LENGTH_CACHE_TTS);
 
         if (enableCacheTTS) {
             this.lruMediaCache = new LRUMediaCache<>(storageService, cacheSizeTTS, VOICE_TTS_CACHE_PID,
@@ -100,7 +110,8 @@ protected void modified(Map<String, Object> config) {
     public AudioStream get(CachedTTSService tts, String text, Voice voice, AudioFormat requestedFormat)
             throws TTSException {
         LRUMediaCache<AudioFormatInfo> lruMediaCacheLocal = lruMediaCache;
-        if (!enableCacheTTS || lruMediaCacheLocal == null) {
+        if (!enableCacheTTS || lruMediaCacheLocal == null
+                || (maxTextLengthCacheTTS > 0 && text.length() > maxTextLengthCacheTTS)) {
             return tts.synthesizeForCache(text, voice, requestedFormat);
         }
 
diff --git a/bundles/org.openhab.core.voice/src/main/resources/OH-INF/config/voice.xml b/bundles/org.openhab.core.voice/src/main/resources/OH-INF/config/voice.xml
index 2c12124c1ad..fb2bd85dcec 100644
--- a/bundles/org.openhab.core.voice/src/main/resources/OH-INF/config/voice.xml
+++ b/bundles/org.openhab.core.voice/src/main/resources/OH-INF/config/voice.xml
@@ -59,6 +59,12 @@
 			<description>The limit size of the TTS cache (in kB).</description>
 			<default>10240</default>
 		</parameter>
+		<parameter name="maxTextLengthCacheTTS" type="integer">
+			<label>TTS Cache Maximum Text Length</label>
+			<description>The maximum length of texts handled by the TTS cache (in character). If exceeded, will pass the text to
+				the TTS without storing it. 0 for no limit.</description>
+			<default>150</default>
+		</parameter>
 	</config-description>
 
 </config-description:config-descriptions>
diff --git a/bundles/org.openhab.core.voice/src/main/resources/OH-INF/i18n/voice.properties b/bundles/org.openhab.core.voice/src/main/resources/OH-INF/i18n/voice.properties
index cc63e3d4b52..92044fc72b7 100644
--- a/bundles/org.openhab.core.voice/src/main/resources/OH-INF/i18n/voice.properties
+++ b/bundles/org.openhab.core.voice/src/main/resources/OH-INF/i18n/voice.properties
@@ -17,6 +17,12 @@ system.config.voice.listeningMelody.description = A melody to be played to adver
 system.config.voice.listeningMelody.option.Bb = Bb
 system.config.voice.listeningMelody.option.F# = F#
 system.config.voice.listeningMelody.option.E = E
+system.config.voice.enableCacheTTS.label = Enable TTS caching
+system.config.voice.enableCacheTTS.description = true to allow TTS services to cache audio files on disk.
+system.config.voice.cacheSizeTTS.label = TTS Cache Size
+system.config.voice.cacheSizeTTS.description = The limit size of the TTS cache (in kB).
+system.config.voice.maxTextLengthCacheTTS.label = TTS Cache Maximum Text Length
+system.config.voice.maxTextLengthCacheTTS.description = The limit length of a text handled by the TTS cache. If exceeded, will passthrough to the TTS without storing it. 0 for no limit.
 
 error.ks-error = Encountered error while spotting keywords, {0}
 error.stt-error = Encountered error while recognizing text, {0}