diff --git a/src/main/org/apache/tools/ant/taskdefs/optional/perforce/P4Base.java b/src/main/org/apache/tools/ant/taskdefs/optional/perforce/P4Base.java
index 73142f7f3..b6b7b9311 100644
--- a/src/main/org/apache/tools/ant/taskdefs/optional/perforce/P4Base.java
+++ b/src/main/org/apache/tools/ant/taskdefs/optional/perforce/P4Base.java
@@ -249,7 +249,7 @@ public abstract class P4Base extends org.apache.tools.ant.Task {
                 commandline.createArgument().setValue(P4Client);
             }
             if (P4Opts != null && P4Opts.length() != 0) {
-                commandline.createArgument().setValue(P4Opts);
+                commandline.createArgument().setLine(P4Opts);
             }
             commandline.createArgument().setLine(command);