diff --git a/include/swarm.hpp b/include/swarm.hpp
index d6000b1..93b808a 100644
--- a/include/swarm.hpp
+++ b/include/swarm.hpp
@@ -66,9 +66,9 @@ namespace ParamChange {
 	    float visc, float nostal, float peerp, int curr, int max) {
 	    float pct_done = (float)curr / (float)max;
 	    return {
-		visc   - (0.9f - 0.4f) * pct_done,
-		nostal - (2.5f - 0.5f) * pct_done,
-		peerp  + (2.5f - 0.5f) * pct_done,
+		visc   - (visc   - 0.4f) * pct_done,
+		nostal - (nostal - 0.5f) * pct_done,
+		peerp  + (peerp  - 0.5f) * pct_done,
 	    };
 	}
     };
@@ -80,9 +80,9 @@ namespace ParamChange {
 	    float pct_done = (float)curr / (float)max;
 	    float scale_factor = (std::tanh(steepness * (pct_done - 0.5)) + 1) / 2;
 	    return {
-		visc   - (0.9f - 0.4f) * scale_factor,
-		nostal - (2.5f - 0.5f) * scale_factor,
-		peerp  + (2.5f - 0.5f) * scale_factor,
+		visc   - (visc   - 0.4f) * scale_factor,
+		nostal - (nostal - 0.5f) * scale_factor,
+		peerp  + (peerp  - 0.5f) * scale_factor,
 	    };
 	}
     };