diff --git a/src/libs/ssh/sshkeyexchange.cpp b/src/libs/ssh/sshkeyexchange.cpp
index 528a117908e80bbe0fb68d02303d525faed0ac96..c553ecc8b22d0668022184c68d4ca60abb05e1c0 100644
--- a/src/libs/ssh/sshkeyexchange.cpp
+++ b/src/libs/ssh/sshkeyexchange.cpp
@@ -134,7 +134,7 @@ bool SshKeyExchange::sendDhInitPacket(const SshIncomingPacket &serverKexInit)
         throw SshServerException(SSH_DISCONNECT_KEY_EXCHANGE_FAILED,
             "Invalid combination of key exchange and host key algorithms.",
             QCoreApplication::translate("SshConnection",
-                "No matching host key algorithm available for key exchange algorithm '%1'.")
+                "No matching host key algorithm available for key exchange algorithm \"%1\".")
                 .arg(QString::fromLatin1(m_kexAlgoName)));
     }
     determineHashingAlgorithm(kexInitParams, true);
diff --git a/src/libs/utils/projectintropage.cpp b/src/libs/utils/projectintropage.cpp
index 7f9fcb25031ac54964539fb12c7ebff59f1db5a5..d0a47923b1129b8c72827692db5a6c9d5a9c0ada 100644
--- a/src/libs/utils/projectintropage.cpp
+++ b/src/libs/utils/projectintropage.cpp
@@ -265,7 +265,7 @@ bool ProjectIntroPage::validateProjectName(const QString &name, QString *errorMe
     }
     if (name.contains(QLatin1Char('.'))) {
         if (errorMessage)
-            *errorMessage = tr("Invalid character '.'.");
+            *errorMessage = tr("Invalid character \".\".");
         return false;
     }
     return true;
diff --git a/src/plugins/qbsprojectmanager/qbsbuildstep.cpp b/src/plugins/qbsprojectmanager/qbsbuildstep.cpp
index 1c127971a0718027b5c227dd95ae98758fb8cf76..111264fb85d4f81e08b1dcf541dfb3e6263bff04 100644
--- a/src/plugins/qbsprojectmanager/qbsbuildstep.cpp
+++ b/src/plugins/qbsprojectmanager/qbsbuildstep.cpp
@@ -701,7 +701,7 @@ bool QbsBuildStepConfigWidget::validateProperties(Utils::FancyLineEdit *edit, QS
             properties.append(qMakePair(key, value));
         } else {
             if (errorMessage)
-                *errorMessage = tr("No ':' found in property definition.");
+                *errorMessage = tr("No \":\" found in property definition.");
             return false;
         }
     }