diff --git a/common/predictive-text/worker/model-compositor.ts b/common/predictive-text/worker/model-compositor.ts
index ab6faeb634..001558f188 100644
--- a/common/predictive-text/worker/model-compositor.ts
+++ b/common/predictive-text/worker/model-compositor.ts
@@ -12,6 +12,11 @@ class ModelCompositor {
     //        doesn't prevent loading on IE.
     //let whitespaceRemover = /.*[\u0009\u000A\u000D\u0020\u00a0\u1680\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u2028\u2029\u202f\u205f\u3000]/iu;
     
+    // Filter out null-inserts; their high probability can cause issues.
+    if(transform.insert == '') { // Can actually register as 'whitespace'.
+      return false;
+    }
+
     // Temp solution:
     let whitespaceRemover = /.*\s/; // At least handles standard whitespace.
     let insert = transform.insert;