diff --git a/src/main/java/cz/kamma/kfmanager/ui/FilePanelTab.java b/src/main/java/cz/kamma/kfmanager/ui/FilePanelTab.java
index e78c430..ef26a43 100644
--- a/src/main/java/cz/kamma/kfmanager/ui/FilePanelTab.java
+++ b/src/main/java/cz/kamma/kfmanager/ui/FilePanelTab.java
@@ -1248,25 +1248,37 @@ public class FilePanelTab extends JPanel {
                 patterns.sort((a, b) -> Integer.compare(b.length(), a.length()));
 
                 for (String pattern : patterns) {
-                    String glob = pattern;
-                    // If user just provided an extension like "txt", convert to "*.txt"
-                    if (!glob.contains("*") && !glob.contains("?")) {
-                        glob = "*." + glob;
-                    }
+                    String fullCommand = associations.get(pattern);
+                    // Support multiple patterns separated by semicolon (e.g. "jpg;png;gif")
+                    String[] subPatterns = pattern.split(";");
+                    boolean matched = false;
 
-                    try {
-                        java.nio.file.PathMatcher matcher = java.nio.file.FileSystems.getDefault().getPathMatcher("glob:" + glob);
-                        if (matcher.matches(java.nio.file.Paths.get(name))) {
-                            command = associations.get(pattern);
-                            break;
+                    for (String sub : subPatterns) {
+                        String glob = sub.trim();
+                        if (glob.isEmpty()) continue;
+
+                        // If user just provided an extension like "txt", convert to "*.txt"
+                        if (!glob.contains("*") && !glob.contains("?")) {
+                            glob = "*." + glob;
                         }
-                    } catch (Exception ignore) {
-                        // Fallback for simple extension match if glob is invalid
-                        if (name.toLowerCase().endsWith("." + pattern.toLowerCase())) {
-                            command = associations.get(pattern);
-                            break;
+
+                        try {
+                            java.nio.file.PathMatcher matcher = java.nio.file.FileSystems.getDefault().getPathMatcher("glob:" + glob);
+                            if (matcher.matches(java.nio.file.Paths.get(name))) {
+                                command = fullCommand;
+                                matched = true;
+                                break;
+                            }
+                        } catch (Exception ignore) {
+                            // Fallback for simple extension match if glob is invalid
+                            if (name.toLowerCase().endsWith("." + glob.toLowerCase())) {
+                                command = fullCommand;
+                                matched = true;
+                                break;
+                            }
                         }
                     }
+                    if (matched) break;
                 }
 
                 if (command != null && !command.trim().isEmpty()) {