diff --git a/auth.go b/auth.go
index 84dc092..78ed771 100644
--- a/auth.go
+++ b/auth.go
@@ -39,7 +39,7 @@ func (c *Client) LogIn(username, pass string) (*AuthUser, error) {
 	} else if status == http.StatusTooManyRequests {
 		return nil, fmt.Errorf("Stop repeatedly trying to log in.")
 	}
-	return nil, fmt.Errorf("Problem authenticating: %s. %v\n", status, err)
+	return nil, fmt.Errorf("Problem authenticating: %d. %v\n", status, err)
 }
 
 func (c *Client) isNotLoggedIn(code int) bool {
diff --git a/collection.go b/collection.go
index 88efe5f..47bf535 100644
--- a/collection.go
+++ b/collection.go
@@ -57,7 +57,7 @@ func (c *Client) CreateCollection(sp *CollectionParams) (*Collection, error) {
 	} else if status == http.StatusPreconditionFailed {
 		return nil, fmt.Errorf("Reached max collection quota.")
 	}
-	return nil, fmt.Errorf("Problem getting post: %s. %v\n", status, err)
+	return nil, fmt.Errorf("Problem getting post: %d. %v\n", status, err)
 }
 
 // GetCollection retrieves a collection, returning the Collection and any error
@@ -81,7 +81,7 @@ func (c *Client) GetCollection(alias string) (*Collection, error) {
 	} else if status == http.StatusNotFound {
 		return nil, fmt.Errorf("Collection not found.")
 	} else {
-		return nil, fmt.Errorf("Problem getting collection: %s. %v\n", status, err)
+		return nil, fmt.Errorf("Problem getting collection: %d. %v\n", status, err)
 	}
 	return coll, nil
 }
@@ -107,7 +107,7 @@ func (c *Client) GetCollectionPosts(alias string) (*[]Post, error) {
 	} else if status == http.StatusNotFound {
 		return nil, fmt.Errorf("Collection not found.")
 	} else {
-		return nil, fmt.Errorf("Problem getting collection: %s. %v\n", status, err)
+		return nil, fmt.Errorf("Problem getting collection: %d. %v\n", status, err)
 	}
 	return coll.Posts, nil
 }
diff --git a/post.go b/post.go
index eaa4fae..a561452 100644
--- a/post.go
+++ b/post.go
@@ -86,7 +86,7 @@ func (c *Client) GetPost(id string) (*Post, error) {
 	} else if status == http.StatusGone {
 		return nil, fmt.Errorf("Post unpublished.")
 	}
-	return nil, fmt.Errorf("Problem getting post: %s. %v\n", status, err)
+	return nil, fmt.Errorf("Problem getting post: %d. %v\n", status, err)
 }
 
 // CreatePost publishes a new post, returning a user-friendly error if one comes
@@ -113,7 +113,7 @@ func (c *Client) CreatePost(sp *PostParams) (*Post, error) {
 	} else if status == http.StatusBadRequest {
 		return nil, fmt.Errorf("Bad request: %s", env.ErrorMessage)
 	} else {
-		return nil, fmt.Errorf("Problem getting post: %s. %v\n", status, err)
+		return nil, fmt.Errorf("Problem getting post: %d. %v\n", status, err)
 	}
 	return p, nil
 }
@@ -140,7 +140,7 @@ func (c *Client) UpdatePost(sp *PostParams) (*Post, error) {
 	} else if status == http.StatusBadRequest {
 		return nil, fmt.Errorf("Bad request: %s", env.ErrorMessage)
 	}
-	return nil, fmt.Errorf("Problem getting post: %s. %v\n", status, err)
+	return nil, fmt.Errorf("Problem getting post: %d. %v\n", status, err)
 }
 
 // DeletePost permanently deletes a published post. See
@@ -161,7 +161,7 @@ func (c *Client) DeletePost(sp *PostParams) error {
 	} else if status == http.StatusBadRequest {
 		return fmt.Errorf("Bad request: %s", env.ErrorMessage)
 	}
-	return fmt.Errorf("Problem getting post: %s. %v\n", status, err)
+	return fmt.Errorf("Problem getting post: %d. %v\n", status, err)
 }
 
 // ClaimPosts associates anonymous posts with a user / account.
@@ -186,7 +186,7 @@ func (c *Client) ClaimPosts(sp *[]OwnedPostParams) (*[]ClaimPostResult, error) {
 	} else if status == http.StatusBadRequest {
 		return nil, fmt.Errorf("Bad request: %s", env.ErrorMessage)
 	} else {
-		return nil, fmt.Errorf("Problem getting post: %s. %v\n", status, err)
+		return nil, fmt.Errorf("Problem getting post: %d. %v\n", status, err)
 	}
 	// TODO: does this also happen with moving posts?
 	return p, nil