diff --git a/src/gfx/pal_spec.cpp b/src/gfx/pal_spec.cpp
index 35b65af8..2f53a8fe 100644
--- a/src/gfx/pal_spec.cpp
+++ b/src/gfx/pal_spec.cpp
@@ -401,6 +401,10 @@ static void parseHEXFile(std::filebuf &file) {
 		if (!readLine(file, line)) {
 			break;
 		}
+		// Ignore empty lines.
+		if (line.length() == 0) {
+			continue;
+		}
 
 		if (line.length() != 6
 		    || line.find_first_not_of("0123456789ABCDEFabcdef"sv) != std::string::npos) {
diff --git a/test/gfx/empty_lines.flags b/test/gfx/empty_lines.flags
new file mode 100644
index 00000000..7b577864
--- /dev/null
+++ b/test/gfx/empty_lines.flags
@@ -0,0 +1 @@
+-c hex:empty_lines.hex
diff --git a/test/gfx/empty_lines.hex b/test/gfx/empty_lines.hex
new file mode 100644
index 00000000..29d4022e
--- /dev/null
+++ b/test/gfx/empty_lines.hex
@@ -0,0 +1,7 @@
+
+5721d9
+
+a9d4fe
+
+
+ffffff
diff --git a/test/gfx/empty_lines.png b/test/gfx/empty_lines.png
new file mode 100644
index 00000000..57fdd36f
Binary files /dev/null and b/test/gfx/empty_lines.png differ