diff --git a/tests/testsuite.src/used_binaries.at b/tests/testsuite.src/used_binaries.at
index e3afcee74..474a4fb5f 100644
--- a/tests/testsuite.src/used_binaries.at
+++ b/tests/testsuite.src/used_binaries.at
@@ -375,7 +375,8 @@ AT_DATA([prog.cob], [
 AT_CHECK([TMPDIR="" TMP="notthere" TEMP="" $COMPILE prog.cob 2> compiler.output], [0], [],
 [],[
     # On Windows, we get a failure from gcc, so the binary is not created, the stderr is mixed and exit code is 1.
-    AT_CHECK([grep libcob: compiler.output], [0], [libcob: warning: Temporary directory TMP is invalid, adjust TMPDIR!])
+    AT_CHECK([grep libcob: compiler.output], [0], [libcob: warning: Temporary directory TMP is invalid, adjust TMPDIR!
+])
   ],
   [
     AT_CHECK([cat compiler.output], [0], [libcob: warning: Temporary directory TMP is invalid, adjust TMPDIR!
@@ -385,7 +386,8 @@ AT_CHECK([TMPDIR="" TMP="notthere" TEMP="" $COMPILE prog.cob 2> compiler.output]
 
 AT_CHECK([TMPDIR="" TMP="" TEMP="./prog.cob" $COMPILE prog.cob 2> compiler.output], [0], [],
 [],[
-    AT_CHECK([grep libcob: compiler.output], [0], [libcob: warning: Temporary directory TEMP is invalid, adjust TMPDIR!])
+    AT_CHECK([grep libcob: compiler.output], [0], [libcob: warning: Temporary directory TEMP is invalid, adjust TMPDIR!
+])
   ],
   [
     AT_CHECK([cat compiler.output], [0], [libcob: warning: Temporary directory TEMP is invalid, adjust TMPDIR!