diff --git a/src/libslic3r/GCode.cpp b/src/libslic3r/GCode.cpp
index f19185f9ec..7d31f6bf19 100644
--- a/src/libslic3r/GCode.cpp
+++ b/src/libslic3r/GCode.cpp
@@ -714,8 +714,21 @@ namespace DoExport {
 	                if (region->config().get_abs_value("infill_speed") == 0 ||
 	                    region->config().get_abs_value("solid_infill_speed") == 0 ||
 	                    region->config().get_abs_value("top_solid_infill_speed") == 0 ||
-	                    region->config().get_abs_value("bridge_speed") == 0)
-	                    mm3_per_mm.push_back(layerm->fills.min_mm3_per_mm());
+                        region->config().get_abs_value("bridge_speed") == 0)
+                    {
+                        // Minimal volumetric flow should not be calculated over ironing extrusions.
+                        // Use following lambda instead of the built-it method.
+                        // https://github.com/prusa3d/PrusaSlicer/issues/5082
+                        auto min_mm3_per_mm_no_ironing = [](const ExtrusionEntityCollection& eec) -> double {
+                            double min = std::numeric_limits<double>::max();
+                            for (const ExtrusionEntity* ee : eec.entities)
+                                if (ee->role() != erIroning)
+                                    min = std::min(min, ee->min_mm3_per_mm());
+                            return min;
+                        };
+
+                        mm3_per_mm.push_back(min_mm3_per_mm_no_ironing(layerm->fills));
+                    }
 	            }
 	        }
 	        if (object->config().get_abs_value("support_material_speed") == 0 ||