diff --git a/src/core/image.js b/src/core/image.js
index d384935d7..7ab44bcf9 100644
--- a/src/core/image.js
+++ b/src/core/image.js
@@ -219,7 +219,9 @@ class PDFImage {
       this.numComps = this.colorSpace.numComps;
 
       if (this.jpxDecoderOptions) {
-        this.jpxDecoderOptions.numComponents = hasColorSpace ? this.numComp : 0;
+        this.jpxDecoderOptions.numComponents = hasColorSpace
+          ? this.numComps
+          : 0;
         // If the jpx image has a color space then it musn't be used in order to
         // be able to use the color space that comes from the pdf.
         this.jpxDecoderOptions.isIndexedColormap =
diff --git a/test/pdfs/.gitignore b/test/pdfs/.gitignore
index 3cfd7a0e0..74bc63780 100644
--- a/test/pdfs/.gitignore
+++ b/test/pdfs/.gitignore
@@ -529,6 +529,7 @@
 !bug1743245.pdf
 !quadpoints.pdf
 !transparent.pdf
+!issue19326.pdf
 !issue13931.pdf
 !xobject-image.pdf
 !issue15441.pdf
diff --git a/test/pdfs/issue19326.pdf b/test/pdfs/issue19326.pdf
new file mode 100644
index 000000000..800d86883
Binary files /dev/null and b/test/pdfs/issue19326.pdf differ
diff --git a/test/test_manifest.json b/test/test_manifest.json
index 89ab0677c..71751285b 100644
--- a/test/test_manifest.json
+++ b/test/test_manifest.json
@@ -6364,6 +6364,13 @@
     "type": "eq",
     "about": "Fixes one part of bug 1731483."
   },
+  {
+    "id": "issue19326",
+    "file": "pdfs/issue19326.pdf",
+    "md5": "b4d937017daf439a6318501428e0c6ba",
+    "rounds": 1,
+    "type": "eq"
+  },
   {
     "id": "bug1140761",
     "file": "pdfs/bug1140761.pdf",