diff --git a/src/ocean/utils/SignatureUtils.ts b/src/ocean/utils/SignatureUtils.ts
index c642aa3..d5c4c9c 100644
--- a/src/ocean/utils/SignatureUtils.ts
+++ b/src/ocean/utils/SignatureUtils.ts
@@ -10,9 +10,13 @@ export class SignatureUtils extends Instantiable {
     }
 
     public async signText(text: string, publicKey: string, password?: string): Promise<string> {
+        const isMetaMask = this.web3 && this.web3.currentProvider && this.web3.currentProvider.isMetaMask
         try {
             return await this.web3.eth.personal.sign(text, publicKey, password)
         } catch (e) {
+            if (isMetaMask) {
+                throw e
+            }
             this.logger.warn("Error on personal sign.")
             this.logger.warn(e)
             try {