diff --git a/src/unix/stackwalk.cpp b/src/unix/stackwalk.cpp
index c30c44d762..2d8e5097f1 100644
--- a/src/unix/stackwalk.cpp
+++ b/src/unix/stackwalk.cpp
@@ -286,18 +286,18 @@ int wxStackWalker::InitFrames(wxStackFrame *arr, size_t n, void **addresses, cha
         //      func(args) (in module) (file:line)
         //
         // or just the same address back if it couldn't be resolved.
-        const size_t posIn = buffer.find("(in ");
+        const size_t posIn = buffer.find(" (in ");
         if ( posIn != wxString::npos )
         {
             name.assign(buffer, 0, posIn);
 
-            size_t posAt = buffer.find(") (", posIn + 3);
+            size_t posAt = buffer.find(") (", posIn + 5); // Skip " (in "
             if ( posAt != wxString::npos )
             {
                 posAt += 3; // Skip ") ("
 
-                // Discard the two last characters which are ")\n"
-                wxString location(buffer, posAt, buffer.length() - posAt - 2);
+                // Discard the last character which is ")"
+                wxString location(buffer, posAt, buffer.length() - posAt - 1);
 
                 wxString linenum;
                 filename = location.BeforeFirst(':', &linenum);