diff --git a/bundles/org.eclipse.core.commands/META-INF/MANIFEST.MF b/bundles/org.eclipse.core.commands/META-INF/MANIFEST.MF
index 29990cb8a33..cdb2e1b2eeb 100644
--- a/bundles/org.eclipse.core.commands/META-INF/MANIFEST.MF
+++ b/bundles/org.eclipse.core.commands/META-INF/MANIFEST.MF
@@ -2,7 +2,7 @@ Manifest-Version: 1.0
 Bundle-ManifestVersion: 2
 Bundle-Name: %pluginName
 Bundle-SymbolicName: org.eclipse.core.commands
-Bundle-Version: 3.12.200.qualifier
+Bundle-Version: 3.12.300.qualifier
 Bundle-Vendor: %providerName
 Bundle-Localization: plugin
 Export-Package: org.eclipse.core.commands,
diff --git a/bundles/org.eclipse.core.commands/src/org/eclipse/core/commands/ParameterizedCommand.java b/bundles/org.eclipse.core.commands/src/org/eclipse/core/commands/ParameterizedCommand.java
index fd63d56a8bb..8302321886e 100644
--- a/bundles/org.eclipse.core.commands/src/org/eclipse/core/commands/ParameterizedCommand.java
+++ b/bundles/org.eclipse.core.commands/src/org/eclipse/core/commands/ParameterizedCommand.java
@@ -311,7 +311,7 @@ public static ParameterizedCommand generateCommand(Command command, Map paramete
 				IParameter parameter = command.getParameter(key);
 				// if the parameter is defined add it to the parameter list
 				if (parameter == null) {
-					return null;
+					continue;
 				}
 				ParameterType parameterType = command.getParameterType(key);
 				if (parameterType == null) {