diff --git a/testcases/kernel/io/direct_io/diotest3.c b/testcases/kernel/io/direct_io/diotest3.c
index 92f7afaad69..ba2fd0473bc 100644
--- a/testcases/kernel/io/direct_io/diotest3.c
+++ b/testcases/kernel/io/direct_io/diotest3.c
@@ -292,6 +292,7 @@ int main(int argc, char *argv[])
 	}
 	unlink(filename);
 	free(pidlst);
+	fflush(stdout);
 	total++;
 
 	/* Testblock-2: Write with Direct IO, Read without */
@@ -309,6 +310,7 @@ int main(int argc, char *argv[])
 	}
 	unlink(filename);
 	free(pidlst);
+	fflush(stdout);
 	total++;
 
 	/* Testblock-3: Read, Write with Direct IO. */
diff --git a/testcases/kernel/io/direct_io/diotest6.c b/testcases/kernel/io/direct_io/diotest6.c
index 1905380f01d..fb925ff0af1 100644
--- a/testcases/kernel/io/direct_io/diotest6.c
+++ b/testcases/kernel/io/direct_io/diotest6.c
@@ -320,6 +320,7 @@ int main(int argc, char *argv[])
 	}
 	unlink(filename);
 	free(pidlst);
+	fflush(stdout);
 	total++;
 
 	/* Testblock-2: Write with Direct IO, Read without */
@@ -337,6 +338,7 @@ int main(int argc, char *argv[])
 	}
 	unlink(filename);
 	free(pidlst);
+	fflush(stdout);
 	total++;
 
 	/* Testblock-3: Read, Write with Direct IO. */