diff --git a/examples/23.SMeshHandling/main.cpp b/examples/23.SMeshHandling/main.cpp
index d4ce20de..a4ef9ebc 100644
--- a/examples/23.SMeshHandling/main.cpp
+++ b/examples/23.SMeshHandling/main.cpp
@@ -57,7 +57,7 @@ typedef f32 generate_func(s16 x, s16 y, f32 s);
 f32 eggbox(s16 x, s16 y, f32 s)
 {
 	const f32 r = 4.f*sqrtf((f32)(x*x + y*y))/s;
-	const f32 z = expf(-r * 2) * (cosf(0.2f * x) + cosf(0.2f * y));
+	const f32 z = (f32)exp(-r * 2) * (cosf(0.2f * x) + cosf(0.2f * y));
 	return 0.25f+0.25f*z;
 }
 
diff --git a/source/Irrlicht/CSoftwareDriver2.cpp b/source/Irrlicht/CSoftwareDriver2.cpp
index 678070f3..906b86c9 100644
--- a/source/Irrlicht/CSoftwareDriver2.cpp
+++ b/source/Irrlicht/CSoftwareDriver2.cpp
@@ -1607,10 +1607,10 @@ void CBurningVideoDriver::VertexCache_fill(const u32 sourceIndex, const u32 dest
 			fog_factor = (FogEnd - EyeSpace.vertex.z) * EyeSpace.fog_scale;
 			break;
 		case EFT_FOG_EXP:
-			fog_factor = expf(-FogDensity * EyeSpace.vertex.z);
+			fog_factor = (f32)exp(-FogDensity * EyeSpace.vertex.z);
 			break;
 		case EFT_FOG_EXP2:
-			fog_factor = expf(-FogDensity * FogDensity * EyeSpace.vertex.z * EyeSpace.vertex.z);
+			fog_factor = (f32)exp(-FogDensity * FogDensity * EyeSpace.vertex.z * EyeSpace.vertex.z);
 			break;
 		}