diff --git a/source/blender/blenkernel/intern/smoke.c b/source/blender/blenkernel/intern/smoke.c
index f56d03bfb57..d26339680c8 100644
--- a/source/blender/blenkernel/intern/smoke.c
+++ b/source/blender/blenkernel/intern/smoke.c
@@ -1583,7 +1583,7 @@ BLI_INLINE void apply_inflow_fields(SmokeFlowSettings *sfs, float emission_value
 	}
 
 	/* set fire reaction coordinate */
-	if (fuel && fuel[index]) {
+	if (fuel && fuel[index] > FLT_EPSILON) {
 		/* instead of using 1.0 for all new fuel add slight falloff
 		 * to reduce flow blockiness */
 		float value = 1.0f - powf(1.0f - emission_value, 2.0f);