diff --git a/language.version b/language.version
index fcfd0f3d8..42b822861 100644
--- a/language.version
+++ b/language.version
@@ -1,3 +1,3 @@
 [default]
-SWWM_MODVER="\cyDEMOLITIONIST \cw1.3pre r59 \cu(Sun  8 May 01:11:50 CEST 2022)\c-";
-SWWM_SHORTVER="\cw1.3pre r59 \cu(2022-05-08 01:11:50)\c-";
+SWWM_MODVER="\cyDEMOLITIONIST \cw1.3pre r60 \cu(Sun  8 May 13:12:51 CEST 2022)\c-";
+SWWM_SHORTVER="\cw1.3pre r60 \cu(2022-05-08 13:12:51)\c-";
diff --git a/shaders/glsl/Envmap.fp b/shaders/glsl/Envmap.fp
index ef6753521..26a90d4d5 100644
--- a/shaders/glsl/Envmap.fp
+++ b/shaders/glsl/Envmap.fp
@@ -20,7 +20,7 @@ void SetupMaterial( inout Material mat )
 	vec2 uv2 = vec2(atan(rvec.z,abs(rvec.x))*RECIPROCAL_PI2+.5,asin(rvec.y)*RECIPROCAL_PI2+.5);
 	vec3 envcol = textureGrad(tex,uv,dFdx(uv2),dFdy(uv2)).rgb*ENVFACT;
 #ifdef RIM_LIGHTING
-	float rim = smoothstep(RIMSTEP,1.,1.-clamp(dot(eye,norm),0.,1.));
+	float rim = smoothstep(RIMSTEP,1.,1.-abs(dot(eye,norm)));
 	vec3 rimcol = texture(rimtex,vec2(.25+.5*rim,.5)).rgb;
 	envcol = mix(envcol,rimcol,rim*RIMFACT);
 #endif
diff --git a/shaders/glsl/Envmask.fp b/shaders/glsl/Envmask.fp
index 6ce74a447..d5920b996 100644
--- a/shaders/glsl/Envmask.fp
+++ b/shaders/glsl/Envmask.fp
@@ -22,7 +22,7 @@ void SetupMaterial( inout Material mat )
 	vec2 uv2 = vec2(atan(rvec.z,abs(rvec.x))*RECIPROCAL_PI2+.5,asin(rvec.y)*RECIPROCAL_PI2+.5);
 	vec3 envcol = textureGrad(envtex,uv,dFdx(uv2),dFdy(uv2)).rgb*ENVFACT;
 #ifdef RIM_LIGHTING
-	float rim = smoothstep(RIMSTEP,1.,1.-clamp(dot(eye,norm),0.,1.));
+	float rim = smoothstep(RIMSTEP,1.,1.-abs(dot(eye,norm)));
 	vec3 rimcol = texture(rimtex,vec2(.25+.5*rim,.5)).rgb;
 	envcol = mix(envcol,rimcol,rim*RIMFACT);
 #endif