diff --git a/src/diagrams/git/gitGraphRenderer.js b/src/diagrams/git/gitGraphRenderer.js
index 6eb542ce8..88404a7c2 100644
--- a/src/diagrams/git/gitGraphRenderer.js
+++ b/src/diagrams/git/gitGraphRenderer.js
@@ -92,7 +92,7 @@ const drawCommits = (svg, commits, modifyGraph) => {
     if (modifyGraph) {
       let typeClass;
       let commitSymbolType =
-        typeof commit.customType !== 'undefined' ? commit.customType : commit.type;
+        typeof commit.customType !== 'undefined' && commit.customType !=='' ? commit.customType : commit.type;
       switch (commitSymbolType) {
         case commitType.NORMAL:
           typeClass = 'commit-normal';