diff --git a/lib/fles_core/TimesliceAnalyzer.cpp b/lib/fles_core/TimesliceAnalyzer.cpp
index aa9f00bde..1c2a1487f 100644
--- a/lib/fles_core/TimesliceAnalyzer.cpp
+++ b/lib/fles_core/TimesliceAnalyzer.cpp
@@ -103,6 +103,10 @@ bool TimesliceAnalyzer::check_timeslice(const fles::Timeslice& ts)
         return false;
     }
 
+    uint64_t first_component_start_time = 0;
+    if (ts.num_microslices(0) != 0) {
+        first_component_start_time = ts.get_microslice(0, 0).desc().idx;
+    }
     for (size_t c = 0; c < ts.num_components(); ++c) {
         if (ts.num_microslices(c) == 0) {
             out_ << "no microslices in timeslice " << ts.index()
@@ -110,6 +114,19 @@ bool TimesliceAnalyzer::check_timeslice(const fles::Timeslice& ts)
             ++timeslice_error_count_;
             return false;
         }
+        // ensure all components start with same time
+        uint64_t component_start_time = ts.get_microslice(c, 0).desc().idx;
+        if (component_start_time != first_component_start_time) {
+            out_ << "start time missmatch in timeslice " << ts.index()
+                 << ", component " << c << ", start time "
+                 << component_start_time << ", offset to c0 "
+                 << static_cast<int64_t>(first_component_start_time -
+                                         component_start_time)
+                 << std::endl;
+            ++timeslice_error_count_;
+            return false;
+        }
+        // checke all microslices of component
         pattern_checkers_.at(c)->reset();
         for (size_t m = 0; m < ts.num_microslices(c); ++m) {
             bool success =