diff --git a/libs/utils/ResourceTypes.cpp b/libs/utils/ResourceTypes.cpp
index 0831f4a..f80843d 100644
--- a/libs/utils/ResourceTypes.cpp
+++ b/libs/utils/ResourceTypes.cpp
@@ -3284,7 +3284,16 @@
                     break;
                 }
                 if (c == '\'' && (quoted == 0 || quoted == '\'')) {
-                    break;
+                    /*
+                     * In practice, when people write ' instead of \'
+                     * in a string, they are doing it by accident
+                     * instead of really meaning to use ' as a quoting
+                     * character.  Warn them so they don't lose it.
+                     */
+                    if (outErrorMsg) {
+                        *outErrorMsg = "Apostrophe not preceded by \\";
+                    }
+                    return false;
                 }
             }
             p++;