diff --git a/plugins/nexus-repository-raw/src/main/java/org/sonatype/nexus/content/raw/internal/recipe/RawProxyFacet.java b/plugins/nexus-repository-raw/src/main/java/org/sonatype/nexus/content/raw/internal/recipe/RawProxyFacet.java
index 1b906f26b8..607963962f 100644
--- a/plugins/nexus-repository-raw/src/main/java/org/sonatype/nexus/content/raw/internal/recipe/RawProxyFacet.java
+++ b/plugins/nexus-repository-raw/src/main/java/org/sonatype/nexus/content/raw/internal/recipe/RawProxyFacet.java
@@ -35,7 +35,7 @@
 public class RawProxyFacet
     extends ContentProxyFacetSupport
 {
-  private static final ImmutableSet<String> CHARS_TO_ENCODE = ImmutableSet.of("^", "#", "?", "\u202F");
+  private static final ImmutableSet<String> CHARS_TO_ENCODE = ImmutableSet.of("^", "#", "?", "\u202F", "+");
 
   @Override
   protected Content getCachedContent(final Context context) throws IOException {