diff --git a/.travis/before_install.sh b/.travis/before_install.sh
index 93e5da90..50e55cb3 100755
--- a/.travis/before_install.sh
+++ b/.travis/before_install.sh
@@ -14,5 +14,7 @@ if [ "${TARGET}" = "win32" ] || [ "${TARGET}" = "win64" ]; then
 fi
 
 sudo apt-get update -qq
-sudo apt-get install -y -o APT::Immediate-Configure=false libc6 libc6:i386 libgcc-s1:i386
+if [ "${TARGET}" = "win32" ] || [ "${TARGET}" = "win64" ]; then
+    sudo apt-get install -y -o APT::Immediate-Configure=false libc6 libc6:i386 libgcc-s1:i386
+fi
 sudo apt-get install -y -f
diff --git a/tests/Application.cpp b/tests/Application.cpp
index 2bb911ab..95c08e61 100644
--- a/tests/Application.cpp
+++ b/tests/Application.cpp
@@ -95,7 +95,7 @@ int main()
         app.addIdleCallback(&idleCounter);
         app.exec();
         DISTRHO_ASSERT_EQUAL(appQuitter.isThreadRunning(), false, "app quit triggered because we told it so");
-        DISTRHO_ASSERT_NOT_EQUAL(idleCounter.counter, 0, "app idle callbacks not triggered");
+        DISTRHO_ASSERT_NOT_EQUAL(idleCounter.counter, 0, "app idle callbacks MUST have been triggered");
     }
 
     // standalone exec, but with 0 as timeout
@@ -106,7 +106,7 @@ int main()
         app.addIdleCallback(&idleCounter);
         app.exec(0);
         DISTRHO_ASSERT_EQUAL(appQuitter.isThreadRunning(), false, "app quit triggered because we told it so");
-        DISTRHO_ASSERT_NOT_EQUAL(idleCounter.counter, 0, "app idle callbacks not triggered");
+        DISTRHO_ASSERT_NOT_EQUAL(idleCounter.counter, 0, "app idle callbacks MUST have been triggered");
     }
 
     return 0;