diff --git a/src/dialog.c b/src/dialog.c
index 411d7660..16c9018c 100644
--- a/src/dialog.c
+++ b/src/dialog.c
@@ -1912,7 +1912,7 @@ _DlgPixToVal(const DItem * di, int dx, int sr)
    int                 vr, val;
 
    vr = di->item.slider.upper - di->item.slider.lower;
-   dx = (int)(((float)dx / (sr * di->item.slider.unit)) * abs(vr) + .5);
+   dx = (int)(((float)dx / (sr * di->item.slider.unit)) * abs(vr) + .5f);
    dx *= di->item.slider.unit;
    if (vr < 0)
       dx = -dx;
diff --git a/src/ecompmgr.c b/src/ecompmgr.c
index 19b8c5bf..f3879bfc 100644
--- a/src/ecompmgr.c
+++ b/src/ecompmgr.c
@@ -2077,10 +2077,10 @@ ECompMgrShadowsInit(int mode, int cleanup)
 
    Conf_compmgr.shadows.blur.opacity =
       OpacityFix(Conf_compmgr.shadows.blur.opacity, 100);
-   Mode_compmgr.opac_blur = .01 * Conf_compmgr.shadows.blur.opacity;
+   Mode_compmgr.opac_blur = .01f * Conf_compmgr.shadows.blur.opacity;
    Conf_compmgr.shadows.sharp.opacity =
       OpacityFix(Conf_compmgr.shadows.sharp.opacity, 100);
-   Mode_compmgr.opac_sharp = .01 * Conf_compmgr.shadows.sharp.opacity;
+   Mode_compmgr.opac_sharp = .01f * Conf_compmgr.shadows.sharp.opacity;
 
    Efree(gaussianMap);
    gaussianMap = NULL;