diff -uNr recordmydesktop-0.3.8.1/src/rmd_shortcuts.c recordmydesktop-0.3.8.1.mod/src/rmd_shortcuts.c
--- recordmydesktop-0.3.8.1/src/rmd_shortcuts.c	2008-12-13 18:15:14.000000000 +0200
+++ recordmydesktop-0.3.8.1.mod/src/rmd_shortcuts.c	2020-02-11 14:33:50.646143593 +0200
@@ -71,7 +71,7 @@
     //modifier.
     if(modifier_mask == 0)
         return 1;
-    if((keystr=rindex(shortcut,'+'))!=NULL){
+    if((keystr=strrchr(shortcut,'+'))!=NULL){
         keystr++;
         if((key=XStringToKeysym(keystr))==NoSymbol)
             return 1;