diff --git a/core/org.eclipse.cdt.core/src/org/eclipse/cdt/internal/formatter/CodeFormatterVisitor.java b/core/org.eclipse.cdt.core/src/org/eclipse/cdt/internal/formatter/CodeFormatterVisitor.java
index d67880beecb..dc234cb46cd 100644
--- a/core/org.eclipse.cdt.core/src/org/eclipse/cdt/internal/formatter/CodeFormatterVisitor.java
+++ b/core/org.eclipse.cdt.core/src/org/eclipse/cdt/internal/formatter/CodeFormatterVisitor.java
@@ -1338,6 +1338,9 @@ public class CodeFormatterVisitor extends CPPASTVisitor {
 				scribe.space();
 			}
 		}
+		if (scribe.printModifiers()) {
+			scribe.space();
+		}
 		node.getName().accept(this);
 		return PROCESS_SKIP;
 	}
diff --git a/core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/text/CodeFormatterTest.java b/core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/text/CodeFormatterTest.java
index 26812fccad0..a187ff98c21 100644
--- a/core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/text/CodeFormatterTest.java
+++ b/core/org.eclipse.cdt.ui.tests/ui/org/eclipse/cdt/ui/tests/text/CodeFormatterTest.java
@@ -792,4 +792,17 @@ public class CodeFormatterTest extends BaseUITestCase {
 	public void testNestedTemplatedArgument_Bug241058() throws Exception {
 		assertFormatterResult();
 	}
+	
+	//#define TP_SMALLINT int32_t
+	//void foo(const TP_SMALLINT &intVal) { }
+	//void bar(const TP_SMALLINT intVal) { }
+
+	//#define TP_SMALLINT int32_t
+	//void foo(const TP_SMALLINT &intVal) {
+	//}
+	//void bar(const TP_SMALLINT intVal) {
+	//}
+	public void testPreserveSpaceInParameterDecl_Bug241967() throws Exception {
+		assertFormatterResult();
+	}
 }